Douglas County was once a rainforest. Click on the image to see the rainforest in Suriname. Courtesy Marco Bleeker at www.euronet.nl/users/mbleeker/
suriname/suri-eng.html

Prehistoric peoples living in the Franktown Focus may have used a pot like this one from the Upper Republican Phase. From Archaeology of the High Plains by James Gunnerson.

1,100,000,000 BCE

54,000,000 BCE

* The area around Castle Rock is a rain forest, receiving up to 100 inches of precipitation per year. (Douglas County News-Press August 30, 1995.

c. 13,000 BCE

c. 8,000 -9000 BCE

* Paleo-Indians of the Cody Complex hunt wild game near Lamb Spring. (Heckendorn)

c. 5500BC -1300AD

* Paleo-Indians live in Douglas County. (Noel p.43)

c. 1050

* High plains indians of the Upper Republican Phase settle in the Franktown vicinity as well as lower Jarre Creek. This culture is marked by nascent horticulture and cord-marked ceramic jars. It also seems likely that several severe droughts occurred during this period. (Gunnerson pp. 65-76)

c. 1500

* Ute Indians settle in Rocky Mountain Region of Colorado, including western Douglas County. (CSA p.1)