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Juan Antonio María de Rivera

Juan Antonio María de Rivera (1738–?) was a Spaniard and the first Euro-American to intensively explore the territory that eventually became the state of Colorado. In 1765 he made two trips into western Colorado from New Mexico, traveling as far as the…

Spanish Exploration in Western Colorado

The Spanish colony of New Mexico was founded in 1598. Until 1821, Colorado was part of the extensive Spanish territories governed by the colony. These territories extended far to the north of the New Mexico capital in Santa Fé. In the sixteenth century…