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Cannabis (marijuana)

  • Cannabis indica (marijuana)

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    All forms of the drug popularly known as marijuana come from the female Cannabis plant, shown here growing indoors in Denver.
    Cannabis indica (marijuana)
  • Hemp

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    Hemp, a non-psychoactive form of Cannabis, is grown in Colorado for its strong fibers and nutrient-rich seeds.
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“1,000 Denver Pupils Marijuana Victims, Officers Declare,” Rocky Mountain News, April 27, 1950.

Stephen P.H. Alexander, “Review: Therapeutic Potential of Cannabis-Related Drugs,” Progress in Neuropsychopharmacology & Biological Psychiatry 64 (2016). 

Ricardo Baca, “Colorado Marijuana Sales Skyrocket to More than $996 Million in 2015,” The Cannabist, February 9, 2016.

Lindsey Bartlett, “See the Largest Hemp Farm in the United States—Right Here in Colorado,” Westword, September 16, 2015.

Richard J. Bonnie and Charles H. Whitebread, The Marijuana Conviction: A History of Marijuana Prohibition in the United States (New York: Lindesmith Center, 1999).

Marcel O. Bonn-Miller, Kimberly A. Babson, Ryan Vandrey, “Using Cannabis to Help You Sleep: Heightened Frequency of Medical Cannabis Use among Those with PTSD,” Drug and Alcohol Dependence 136 (2014).

Laura M. Borgelt, Kari L. Franson, Abraham M. Nussbaum, and George S. Wang, “The Pharmacologic and Clinical Effects of Medical Cannabis,” Pharmacotherapy 33, no. 2 (2013).

Robert C. Clarke and Mark D. Merlin, Cannabis: Evolution and Ethnobotany (Berkeley: University of California Press, 2013).

Committee on Substance Abuse and Habitual Behavior, National Research Council, “An Analysis of Marijuana Policy” (Washington, DC: National Academies Press, 1982).

“Denver Court Imposes First U.S. Marijuana Law Penalties,” The Denver Post, October 8, 1937.

Chris Duvall, Cannabis (London: Reaktion Books, 2015).

Stephen Gascoyne, “Drive to Legalize Marijuana,” The Straight Creek Journal, April 24–May 1, 1978.

Sadie Gurman, “Coloradans Say Yes to Recreational Marijuana,” The Denver Post, November 7, 2012.

Julie Holland, ed., The Pot Book: A Complete Guide to Cannabis (Rochester, VT: Park Street Press, 2010).

John Ingold, “Marijuana Use Remains Flat among Colorado Teens, Survey Finds,” The Denver Post, June 20, 2016.

John Ingold, “World’s First Legal Recreational Marijuana Sales Begin in Colorado,” The Denver Post, January 1, 2014.

Nick Johnson, “Rocky Mountain High: A History of Cannabis in Colorado,” Colorado Heritage (January–February 2015).

“Large Marijuana Crop Found along Road near Brush,” The Denver Post, June 27, 1940.

Martin A. Lee, Smoke Signals: A Social History of Marijuana—Medical, Recreational, and Scientific (New York: Scribner, 2012).

“Marijuana ‘Farm’ Seized in Denver,” Rocky Mountain News, August 14, 1937.

“Narcotics on Increase,” Greeley Daily Tribune, March 3, 1961.

National Commission on Marihuana and Drug Abuse, Marihuana: A Signal of Misunderstanding (Washington, DC: US Government Printing Office, 1972).

John Snyder, “Harvest Near for ’48 Crop,” The Denver Post, July 18, 1948.

Donald P. Tashkin, “Effects of Marijuana Smoking on the Lung,” Annals of the American Thoracic Society 10, no. 3 (June 2013).

US District Court for the District of Colorado, 10th Circuit, 1938–1951, cases 8730–9151.

Nora D. Volkow, Ruben D. Baler, Wilson M. Compton, and Susan R.B. Weiss, “Adverse Health Effects of Marijuana Use,” New England Journal of Medicine 370, no. 23 (June 2014).

Additional Information: 

Ernest L. Abel, “‘That Valuable Article’: Hemp,” American History Illustrated 11, no. 3 (1976).

Isaac Campos, Home Grown: Marijuana and the Origins of Mexico’s War on Drugs (Chapel Hill: University of North Carolina Press, 2012).

Jonathan P. Caulkins, Angela Hawkin, Beau Kilmer, and Mark Kleiman, Marijuana Legalization: What Everyone Needs to Know (New York: Oxford University Press, 2012).

Peter Hecht, Weed Land: Inside America’s Marijuana Epicenter and How Pot Went Legit (Berkeley: University of California Press, 2014).

James F. Hopkins, A History of the Hemp Industry in Kentucky (Lexington: University Press of Kentucky, 1951).

Michael Pollan, The Botany of Desire: A Plant’s-Eye View of the World (New York: Random House, 2001).

Jim Rendon, Super Charged: How Outlaws, Hippies, and Scientists Reinvented Marijuana (Portland, OR: Timber Press, 2012).