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No. Title Author Theme Person Place Thing Event County Keywords Timeline Date Post date Updated Feat ured On Map Ima gessort ascending Words
1 Spring Creek Flood of 1997 Langevin, Danielle, Sullivan, Tessa Ecology Disasters Larimer County 1997 2015-10-22 2017-12-28 No Yes 10 866
2 Eagle County Encyclopedia Staff Counties Eagle County eagle county, eagle county history, Vail, eagle, gypsum, edwards, dotsero, mt. of the holy cross, white river national forest, beaver creek resort, vail resort, vail resort history, vail history, Wolcott, red cliff, redcliff, minturn, Camp Hale, pando valley, interstate 70 1883 2016-10-06 2018-01-08 No Yes 8 2086
3 Buckskin Charley Charles, Mona C. Origins Native Americans, Leaders La Plata County Ute Indian Tribe, Capote Ute, Muache Ute, Southern Ute tribe, Southern Ute Indian Reservation, Chief Ouray, Ignacio 1840 to 1936 2016-03-01 2017-12-28 No Yes 8 884
4 Breckenridge Historic District Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Summit County skiing, Summit County, mining, Barney Ford, dredges, Blue River 1859 2015-11-04 2017-09-17 No Yes 8 1674
5 Summit County Encyclopedia Staff Counties Summit County 1861 2015-12-11 2018-01-13 No Yes 8 2981
6 Cripple Creek Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Teller County cripple creek gold rush, Cripple Creek, Cripple Creek & Victor Gold Mine, Robert Womack, Winfield Scott Stratton, Midland Terminal Railway, Portland Mine, Western Federation of Miners, James Peabody, gambling, Amendment 4 1892 2016-12-19 2018-01-05 No Yes 8 2646
7 Rock Art of Colorado Patterson, Carol Origins Native Americans, Culture Farming & Ranching chaco canyon, Mesa Verde National Park, Cliff Palace, Gustaf Nordenskiold 2015-10-29 2017-12-28 No No 8 1529
8 Gunnison County Encyclopedia Staff Counties Gunnison County gunnison county, gunnison, john gunnison, crested butte, curecanti, gunnison river, ranching, black canyon of the gunnison 1877 2016-02-23 2018-01-08 No Yes 7 1780
9 Pike’s Stockade Orsi, Jared Origins Historic and Archaeological Sites, Military Facilities Exploration Conejos County zebulon pike, American explorers, San Luis Valley, military posts, Conejos River 1806 to 1807 2016-03-07 2017-12-28 No Yes 7 1478
10 San Juan Mountains Ecology Geography, Mountains Hinsdale County San Juan Mountains, San Juans, southwest colorado, history of san juan mountains, san juan county, mineral county, hinsdale county, la plata county, ouray county, Otto Mears, Telluride, Creede, Durango, ouray, Silverton, san miguel county, archuleta county, charles baker, Shenandoah Dives, san juan mountains mining, mining history, Shenandoah Dives Mining 2016-08-01 2018-01-08 No Yes 6 2249
11 The Sugar Beet Industry Pérez, Bernadette Jeanne Political Economy Farming & Ranching colorado sugar beet industry, history of sugar beet industry, history of colorado sugar beet industry, colorado sugar beets, sugar beet labor, colorado labor history, colorado agriculture, sugar beet farms, sugar beet factories, great western sugar company 1899 2015-11-02 2017-12-28 No No 6 985
12 Denver Museum of Nature & Science Nash, Stephen E. , Colwell-Chanthaphonh, Chip Origins Museums Denver County Denver Museum of Natural History, Colorado Museum of Natural History, Denver Museum of Nature & Science, museums, archaeology, anthropology, ethnology, Jesse Figgins 1900 2015-11-19 2017-12-28 No Yes 6 1194
13 Franktown Cave Gilmore, Kevin Origins Native Americans Historic and Archaeological Sites Douglas County archaeology, colorado archaeology, prehistoric archaeology, historical archaeology, Apache Indian Tribe, Archaic, Formative stage, Early Ceramic period, Protohistoric period 1941 2016-06-22 2017-12-28 No Yes 6 1459
14 Silverton Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites San Juan County San Juan Mountains, gold king mine, Animas River, san juan county, San Juan County Historical Society, durango silverton railroad, Brunot Agreement, Shenandoah-Dives Mining 1874 2017-02-01 2018-01-06 No Yes 6 1971
15 Ouray County Encyclopedia Staff Counties Ouray County ouray county, ouray, San Juan Mountains 1877 2016-02-24 2018-01-11 No Yes 6 2415
16 Teller County Encyclopedia Staff Counties Teller County teller county, victor, Cripple Creek, independence lode, mining, cripple creek gold rush, casinos, gambling, el paso county, Henry Teller, william stratton, florissant fossil beds, florissant, woodland park, ute pass, Western Federation of Miners, labor history 1889 2016-08-16 2017-12-28 No Yes 6 2766
17 Central City Opera House Encyclopedia Staff Place Historic and Archaeological Sites Gilpin County 1878 2015-07-15 2018-01-05 No Yes 6 1847
18 Camp Hale Encyclopedia Staff Historic and Archaeological Sites Eagle County Camp Hale, 10th Mountain Division, World War II, skiing 1942 to 1965 2015-09-10 2018-01-08 No Yes 6 1356
19 Pitkin County Encyclopedia Staff Counties Pitkin County pitkin county, Aspen, roaring fork valley, maroon bells, elk mountains, aspen skiing, aspen resort, skiing 1881 2016-02-24 2018-01-11 No Yes 6 1965
20 San Juan County Encyclopedia Staff Counties San Juan County san juan county, gold king mine, Animas River, Silverton, durango silverton railroad, San Juan Mountains, mining, charles baker, san juan humbug, Otto Mears 1876 2016-06-27 2017-12-28 No Yes 6 2782
21 Julesburg Union Pacific Depot Encyclopedia Staff Historic and Archaeological Sites, Museums Sedgwick County 1930 2015-11-09 2017-08-26 No Yes 5 780
22 Matchless Mine Encyclopedia Staff Historic and Archaeological Sites Lake County Leadville, mining, mines, horace tabor, Baby Doe Tabor, Fryer Hill 1878 2015-11-06 2017-12-28 No Yes 5 1193
23 Arapahoe County Encyclopedia Staff Counties Arapahoe County arapahoe county, arapaho, aurora, Englewood, littleton, byers, arapahoe county history 1861 2015-12-28 2018-01-12 No Yes 5 2327
24 Walking Colorado: An Introduction to the Origins Section Black, Kevin Origins Native Americans, Culture, Groups history, ancient colorado, Folsom, Clovis, paleoindian, paleo-indian, rock art, archaeology, anthropology, Formative Period, archaic period, ute, apache, shoshone, cheyenne, arapaho, comanche, spanish exploration, navajo 2017-01-20 2017-12-29 No No 5 4196
25 Marble Mill Site Encyclopedia Staff Historic and Archaeological Sites Gunnison County Marble, Channing Meek, Crystal River Valley, Colorado Yule Marble Company 1907 to 1941 2015-11-20 2018-01-08 No Yes 5 2269
26 Lariat Trail Scenic Mountain Drive Encyclopedia Staff Historic and Archaeological Sites Jefferson County Cement Bill Williams, Lookout Mountain, denver mountain parks, Lariat Loop, golden 2016-12-19 2018-01-08 No Yes 5 797
27 John C. Frémont Schell, Stephen C. Origins European Americans, Explorers Fremont County john c fremont, john c fremont expeditions, john c fremont colorado, john c fremont kit carson, kit carson, charles preuss, larimer county, Fremont County, oregon trail, overland trail 1813 to 1890 2016-08-03 2017-08-26 No Yes 5 913
28 Cathedral Basilica of the Immaculate Conception Encyclopedia Staff Historic and Archaeological Sites, Religious/Spiritual Denver County Catholicism, Colfax Avenue, Joseph Machebeuf, Nicholas Matz, John K. Mullen, Hugh McMenamin, Leon Coquard, Aaron Gove, Thomas Walsh, James Rasby, World Youth Day 1912 2016-08-26 2017-08-25 No Yes 5 1050
29 Longs Peak Alexander, Ruth M. Ecology Mountains Larimer County Longs Peak, Longs Peak Colorado, mountains estes park, rocky mountain national park, colorado fourteeners 2015-07-27 2017-09-02 No Yes 5 1392
30 Animas Forks Encyclopedia Staff Historic and Archaeological Sites San Juan County San Juan Mountains, mining, Brunot Agreement, Animas River, Silverton, Sunnyside Extension, Alpine Loop Scenic Byway, Bonanza Tunnel, Gold Prince Mill, Duncan House 1875 2015-11-04 2017-08-31 No Yes 5 1392
31 Larimer County Encyclopedia Staff Counties Larimer County larimer county colorado, larimer county history, fort collins history, estes park history, william larimer jr. 1861 2016-03-01 2017-12-28 No Yes 5 1420
32 Fourteeners Bock, Samuel Place Mountains fourteeners, colorado fourteeners, colorado mountains, colorado rocky mountains, mountaineering in colorado, list of colorado fourteeners, 14ers, mountain climbing colorado 2015-08-20 2018-01-08 No No 5 1834
33 Meeker Silbernagel, Robert Place Cities, Towns & Neighborhoods Rio Blanco County meeker, meeker massacre, nathaniel meeker, the utes must go, meeker massacre 1879, meeker colorado, ouray 1885 2015-08-18 2017-12-28 No Yes 5 1238
34 Durango & Silverton Narrow Gauge Railroad Encyclopedia Staff Businesses, Historic and Archaeological Sites La Plata County denver & rio grande railroad, Durango, durango silverton railroad, Silverton, william jackson palmer, Colorado Railroads, narrow gauge railroads 2016-11-18 2017-08-25 No Yes 5 1626
35 Mantle's Cave Horn, Jonathon C. Origins Historic and Archaeological Sites Moffat County Fremont culture, prehistoric archaeology, prehistoric Native Americans, Dinosaur National Monument, Yampa River, rock shelter, cave, Formative stage, storage cist, Mantle's Cave 1921 2015-11-16 2017-12-28 No Yes 5 1012
36 US Forest Service in Colorado Bramwell, Lincoln Ecology Natural Resources, Forests Jefferson County US forest service, forest service in colorado, colorado national forests, pike national forest, Trappers Lake, arthur carhart, maroon bells 1905 2016-03-01 2017-11-18 No Yes 5 917
37 Adams County Encyclopedia Staff Counties Adams County adams county, brighton, commerce city, arvada, Rocky Mountain Arsenal, rocky mountain arsenal national wildlife refuge, sunor refinery, adams county co, sunshare, solar energy adams county 1902 2015-12-28 2018-01-12 No Yes 5 1878
38 Georgetown–Silver Plume Historic District Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Clear Creek County georgetown, Georgetown Loop, mining, clear creek county, silver mining, Silver Plume, Louis Dupuy, hotel de paris, Colorado Central Railroad, James Grafton Rogers 1868 2016-11-18 2017-08-29 No Yes 5 1811
39 Louviers Encyclopedia Staff Historic and Archaeological Sites, Cities, Towns & Neighborhoods Douglas County Du Pont, dynamite, company towns, Louviers Village Club 1906 to 1908 2015-11-10 2017-12-28 No Yes 4 1384
40 Carrie Welton Community Notable Women Larimer County Carrie, Welton, Carrie Welton, mountain climbing colorado, colorado mountain climbers, mountaineers, mountaineering history, Longs Peak, pikes peak, fourteeners 1842 to 1884 2016-08-15 2017-12-28 No Yes 4 1757
41 Francisco Plaza Encyclopedia Staff Historic and Archaeological Sites, Museums Huerfano County Cucharas Valley, La Veta, John Francisco, Henry Daigre, Denver and Rio Grande Railroad, Francisco Fort Museum 1862 2015-11-06 2017-12-28 No Yes 4 801
42 Colorado Women's Prison Encyclopedia Staff Museums, Historic and Archaeological Sites Fremont County Cañon City, Colorado Territorial Penitentiary, prisons, Roy Best, Fremont County, Department of Corrections, Museum of Colorado Prisons 1935 2015-11-05 2017-09-17 No Yes 4 970
43 El Corazon de Trinidad National Historic District Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Las Animas County Trinidad, Santa Fe Trail, felipe baca, Las Animas County, Frank Bloom, Temple Aaron, Jaffa Opera House, Trinidad History Museum, Baca House, Bloom Mansion 1861 2016-03-15 2018-01-08 No Yes 4 1524
44 Mountain Pine Beetle Pelz, Kristen, Cheng, Tony Ecology Natural Resources, Forests, Wildlife mountain pine beetle, pine beetle colorado, pine beetle lodgepole pine, colorado mountain pine beetle, pine beetle forests 2015-10-30 2017-09-18 No No 4 1206
45 Chronic Wasting Disease Bailey, Shawn Ecology Wildlife chronic wasting disease, elk, deer, colorado parks and wildlife, wildlife management 1967 2016-08-02 2017-12-28 No No 4 844
46 Rim Rock Drive Encyclopedia Staff Parks & Public Lands, Historic and Archaeological Sites Mesa County Grand Junction, Fruita, Serpents Trail, John Otto, Colorado National Monument, Civilian Conservation Corps 1921 to 1951 2015-12-02 2017-12-28 No Yes 4 960
47 Barney Ford Encyclopedia Staff African Americans, Leaders Denver County Barney Ford, barney ford breckenridge, barney ford denver, ford's chop house denver, barney ford biography, barney ford colorado 1822 to 1902 2015-12-10 2018-01-05 No Yes 4 968
48 Los Piños Indian Agency Baker, Steven G. Origins European Americans, Native Americans Historic and Archaeological Sites, Native American Reservations & Agencies Ouray County Indian Agency, Indian Agent, Ute Indian Tribe, Southern Ute tribe, Capote Ute, Muache Ute, Tabeguache Ute, Uncompahgre Ute 1868 to 1881 2016-04-29 2017-12-28 No Yes 4 1309
49 Kit Carson County Encyclopedia Staff Counties Kit Carson County kit carson county, kit carson county history, burlington, kit carson county carousel, interstate 70, arikaree river, New Deal, Great Plains, rock island railroad 1889 2016-11-14 2018-01-11 No Yes 4 1866
50 Justina Ford House Encyclopedia Staff Historic and Archaeological Sites, Museums Denver County Dr. Justina Ford, Black American West Museum, Samuel Kohn, Five Points, Curtis Park, Paul Stewart, african americans denver 1890 2016-08-29 2018-01-11 No Yes 4 628
51 Rooney Ranch Encyclopedia Staff Historic and Archaeological Sites Jefferson County Dinosaur Ridge, Rooney Valley, Alexander Rooney, Colorado Cattlemen's Association, Chief Colorow, Centennial Farms 1861 2016-08-24 2018-01-05 No Yes 4 1112
52 Colorado–Big Thompson Project Silkensen, Greg Ecology Natural Resources, Water and Fish Grand County colorado-big thompson project, cbt project colorado, bureau of reclamation, irrigation, irrigation in colorado, reclamation in colorado, front range, Western Slope, big thompson river, big thompson canyon, horsetooth reservoir, adams tunnel 1938 to 1956 2016-08-15 2017-12-28 No Yes 4 994
53 State Flower Colorado State Archives Ecology State Symbols columbine, state flower, columbine flower, state symbols 1899 2015-02-17 2017-08-31 No No 4 90
54 Fitzsimons General Hospital Encyclopedia Staff Historic and Archaeological Sites, Military Facilities Adams County tuberculosis, Anschutz Medical Campus, Lawrence Lewis, Dwight D. Eisenhower 1918 2015-11-06 2017-08-25 No Yes 4 1602
55 Royal Gorge Encyclopedia Staff Place Geography, Canyons Fremont County royal gorge, royal gorge bridge, war for royal gorge 1806 2015-11-10 2018-01-11 No Yes 4 1676
56 Guggenheim Hall Encyclopedia Staff Colleges and Universities, Historic and Archaeological Sites Larimer County Colorado State University, Simon Guggenheim, James Murdock, home economics, women's education, Inga Allison, Department of Construction Management 1910 2016-12-19 2017-12-05 No Yes 4 607
57 Bent's Forts Carrillo, Richard, Slaughter, Michelle A. Origins Trading Posts, Historic and Archaeological Sites Trading Otero County bent's fort, william bent, bent's old fort, Bent's New Fort, bent's fort history, Owl Woman, mistanta, Ceran St. Vrain, fur trade, bison, cheyenne, arapaho, trading post, Arkansas River, otero county, La Junta 1832 to 1867 2016-05-06 2018-01-05 No Yes 4 877
58 Independence Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Pitkin County Independence Pass, ghost town, Aspen, roaring fork valley, Aspen Historical Society, Farwell Consolidated Mining Company 1879 2016-12-19 2017-08-26 No Yes 4 713
59 Archuleta County Encyclopedia Staff Counties Archuleta County archuleta county, archuleta county history, Pagosa Springs, geothermal energy colorado, southwest colorado 1885 2016-06-27 2018-01-11 No Yes 4 1426
60 La Junta City Park Encyclopedia Staff Historic and Archaeological Sites, Parks & Public Lands Otero County La Junta, City Park, New Deal, Civil Works Administration, CWA, Works Progress Administration, WPA, parks 1905 2015-11-10 2017-12-28 No Yes 4 526
61 Glen Eyrie Encyclopedia Staff Historic and Archaeological Sites El Paso County Glen Eyrie, Queens Canyon, william jackson palmer, The Navigators 1870 2016-03-15 2017-12-28 No Yes 4 1140
62 Aspen Encyclopedia Staff Place Cities, Towns & Neighborhoods Pitkin County aspen colorado, history of aspen, aspen history, city of aspen 1879 2015-11-19 2018-01-12 No Yes 4 1515
63 Tipi Black, Kevin Origins Native Americans, Culture Tipi, Tepee, native houses, native americans colorado, prehistoric archaeology, tipi rings, stone circles 2015-12-28 2017-08-31 No No 4 1517
64 State Soldiers’ and Sailors’ Home Encyclopedia Staff Historic and Archaeological Sites Rio Grande County Monte Vista, San Luis Valley, veterans, Homelake, Endangered Places 2017-02-01 2018-01-06 No Yes 4 1308
65 Vision Quest Weimer, Monica Origins Native Americans, Culture vision quest, stone structures, arc, cairn 2015-11-02 2017-12-28 No No 4 496
66 Barlow and Sanderson Stagecoach Encyclopedia Staff Transportation Rio Grande County transportation, stagecoaches, San Luis Valley, Southern Overland Mail and Express Company, Bradley Barlow, Jared Sanderson, Fort Garland, History Colorado, Monte Vista Historical Society, Transportation of the West Museum 1870 to 1890 2015-11-05 2017-12-28 No Yes 4 809
67 Gilpin County Encyclopedia Staff Counties Gilpin County Gilpin County, Central City, Blackhawk, mill city, Colorado Gold Rush 1861 2016-11-14 2017-12-28 No Yes 4 2454
68 Saguache Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Saguache County San Luis Valley, Saguache County, Brunot Agreement, Otto Mears 1891 2015-12-02 2017-12-28 No Yes 4 1149
69 Ludlow Massacre Rees, Jonathan H. Political Economy Wars, Battles, and Massacres Las Animas County Ludlow Massacre, ludlow, Las Animas County, ludlow tent colony, coalfield wars, coalfield strikes, labor history, colorado coal, united mine workers of america, United Mine Workers, colorado fuel & iron, coal, Elias Ammons, national guard 1914 2016-09-29 2018-01-10 No Yes 4 974
70 Animas River Encyclopedia Staff Ecology Geography, Rivers & Lakes La Plata County Animas River, rio de las animas, las animas spill, colorado epa spill, Durango, la plata county colorado, Silverton 2016-02-29 2017-12-28 No Yes 4 1351
71 Wheeler Opera House Encyclopedia Staff Arts & Entertainment, Historic and Archaeological Sites Pitkin County Aspen, Jerome B. Wheeler, Walter Paepcke, Herbert Bayer, opera house 1889 2016-03-16 2017-12-28 No Yes 4 1433
72 El Pueblo Encyclopedia Staff Historic and Archaeological Sites, Museums, Trading Posts Pueblo County city of pueblo, Arkansas River, Bent’s Fort, trading posts, El Pueblo Museum, Fort Pueblo, William G. Buckles 2016-11-18 2018-01-05 No Yes 4 1497
73 Rocky Mountain National Park Boxell, Mark Ecology Parks & Public Lands Larimer County 1915 2015-10-21 2018-01-11 No Yes 4 1168
74 Buckhorn Exchange Encyclopedia Staff Businesses, Historic and Archaeological Sites Denver County Henry Zietz, restaurants, Burnham Shops, Denver and Rio Grande Railroad 1893 2016-08-26 2018-01-08 No Yes 4 603
75 Van Briggle Memorial Pottery Building Encyclopedia Staff Arts & Entertainment, Businesses, Colleges and Universities, Historic and Archaeological Sites El Paso County Van Briggle Pottery, Artus Van Briggle, Anne Van Briggle, Nicolaas van den Arend, Colorado College 2016-11-22 2017-12-28 No Yes 4 1293
76 Zebulon Montgomery Pike Orsi, Jared Origins European Americans, Explorers El Paso County 1779 to 1813 2014-08-14 2018-01-05 No Yes 3 777
77 Pikes Peak Barthel, Andrew, Lukas, Sarah, McWeeney, Kyle Ecology Geography, Mountains El Paso County pikes peak, katharine lee bates, zebulon pike, colorado springs mountain, colorado fourteeners 1806 2016-06-24 2018-01-08 No Yes 3 1322
78 Westminster University Encyclopedia Staff Colleges and Universities, Historic and Archaeological Sites Westminster, Pillar of Fire, Presbyterianism, Henry Mayham, Westminster Law School, Belleview College, Belleview Christian School, E. B. Gregory, Stanford White 2017-12-06 2017-12-28 No Yes 3 1155
79 Northern Ute People (Uintah and Ouray Reservation) Goff, Sheila Origins Native Americans, Groups Native American Reservations & Agencies utes, northern utes, northern ute history, uintah and ouray reservation, uintah and ouray utes, native americans, utes colorado, northern ute tribe, ute tribe 1640 2015-08-20 2018-01-10 No No 3 754
80 Clear Creek Canyon Holden, Gregory S. Ecology Geography, Canyons, Rivers & Lakes Jefferson County clear creek canyon, cleer creek canyon conservation, clear creek county open space, clear creek county 1872 2016-05-17 2017-11-07 No Yes 3 1411
81 Mesa County Encyclopedia Staff Counties Mesa County mesa county, Grand Junction, Fruita, palisade, fruit industry, peaches, wine, Western Slope, western slope irrigation, colorado river, grand valley, irrigation in grand valley 1883 2016-06-27 2018-01-08 No Yes 3 3385
82 Horace Tabor Buck, Sean Community European Americans Lake County horace tabor, tabor family, horace tabor silver mining, horace tabor silver, horace tabor colorado 1830 to 1899 2015-08-20 2018-01-10 No Yes 3 528
83 Moose Bergman, Eric J. Ecology Wildlife moose, moose in colorado, history of moose in colorado 2017-02-21 2018-01-11 No No 3 601
84 Brown Palace Hotel Encyclopedia Staff Businesses, Historic and Archaeological Sites Denver County Henry Brown, Charles Boettcher, Claude Boettcher, G8 Summit, Frank Edbrooke, historic hotels 1892 2016-08-26 2017-12-28 No Yes 3 1158
85 Lafayette Head Lanier, Claire L. Origins Political Figures Conejos County Major Lafayette Head, Indian Agent, Indian Agency, Ute Indian Tribe, San Luis Valley, lieutenant governor 1825 to 1897 2015-08-21 2017-12-28 No Yes 3 616
86 Anna and Eugenia Kennicott Community European Americans Arts Custer County Anna, Eugenia, Kennicott, Anna Kennicott, Eugenia Kennicott 2017-01-18 2017-12-29 No Yes 3 1183
87 Bent County Courthouse and Jail Encyclopedia Staff Historic and Archaeological Sites Bent County Las Animas, bent county, courthouses, Ken Curtis 1889 2015-11-05 2017-12-28 No Yes 3 624
88 The Gateway Tradition Reed, Alan D. , Greubel, Rand A. Origins Native Americans, Groups Gateway Tradition, Ancestral Puebloan culture, Fremont culture, Paradox Valley, Anasazi, prehistoric archaeology, migrations, Southwestern prehistory, masonry architecture, Prehistoric farming, Pueblo II period 0900 to 1030 2015-11-13 2017-12-28 No No 3 1541
89 Rocky Mountain National Park Administration Building Encyclopedia Staff Historic and Archaeological Sites Larimer County rocky mountain national park, Beaver Meadows, Mission 66, Taliesen Associated Architects, national park service, Frank Lloyd Wright 1967 2016-10-27 2017-12-28 No Yes 3 1223
90 Gold Hill Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Boulder County Colorado Gold Rush, boulder, boulder county, Gold Run, Horsfal Lode, Slide Mine, Cash Mine, tellurium, thomas aikins, Fourmile Canyon Fire, Endangered Places 1859 2017-05-03 2017-08-25 No Yes 3 1221
91 The City Beautiful Movement in Denver Forsyth, David Ecology Ideas & Movements Jefferson County denver planning, denver city beautiful movement, city beautiful movement colorado, robert speer 1893 2015-10-22 2018-01-09 No Yes 3 947
92 Colorado State Fairgrounds Encyclopedia Staff Historic and Archaeological Sites Pueblo County city of pueblo, Colorado State Fair, State Fair Association, Mineral Palace Park, Lake Minnequa 1901 2015-12-03 2017-12-28 No Yes 3 1316
93 State Bridge Encyclopedia Staff Historic and Archaeological Sites State Bridge, transportation, historic bridges, grand river, colorado river 2017-12-21 2017-12-28 No No 3 977
94 Robert S. Roeschlaub Encyclopedia Staff Community Architects, Engineers, & Planners Denver County Robert Roeschlaub, Robert, Roeschlaub, Architect, Denver 1843 to 1923 2016-05-16 2017-09-17 No Yes 3 1289
95 Beatrice Willard Alpine Tundra Research Plots Encyclopedia Staff Historic and Archaeological Sites Larimer County Beatrice Willard, alpine tundra, Trail Ridge Road, rocky mountain national park 2016-10-26 2017-08-25 No Yes 3 698
96 Morrison Encyclopedia Staff Cities, Towns & Neighborhoods, Historic and Archaeological Sites Jefferson County Bear Creek, Red Rocks, red rocks ampitheatre, John Brisben Walker, John Evans, George Morrison, Denver South Park & Pacific Railroad, Regis University, Bandimere Speedway, Dinosaur Ridge 1872 2017-02-01 2017-08-26 No Yes 3 1477
97 Flooding in Colorado Wright, Will Ecology Disasters floods, colorado floods, colorado flood history, spring creek flood, Boulder Flood of 1894, Telluride Flood 1914, irrigation, dam, water, front range floods 2013, cloudburst, Arkansas River, big thompson river, cache la poudre river, south platte river, Estes Park 2016-08-15 2017-12-28 No No 3 1509
98 Snow Kampf, Stephanie K. , Fassnacht, Steven R. Ecology Natural Resources, Water and Fish, Weather & Climate snow, colorado snowfall, ski snow, colorado weather 2016-05-06 2017-08-31 No No 3 635
99 Wetlands and Riparian Areas Gage, Edward, Cooper, David Ecology Natural Resources, Water and Fish wetlands, colorado wetlands, water, ecosystems, beaver, fens, marshes, wet meadows, riparian, salt flats, floods, blanca wetlands, South Park 2016-08-12 2017-12-28 No No 3 1540
100 Peck House O’Dell, John M. Historic and Archaeological Sites Clear Creek County Empire, James Peck, Frank Peck, Malvina Peck, Peck Gold Mining Company, Howard Peck, Louise Harrison, Margaret Collbran, Hotel Splendide, Gary St. Clair, Sally St. Clair 1863 2015-11-20 2018-01-10 No Yes 3 2640