PALYNOLOGICAL RECORD OF TREE LINE MOVEMENT AT 5PA153, PARK COUNTY, COLORADO

Summary

Twelve pollen samples from site 5PA153, an open camp site

located in Park County, Colorado were analyzed for their pollen content.

This site is located at an elevation of 3554 meters (11,660 feet) near

timberline on a "tree- sheltered bench on the latest (highest) terminal

moraine near the head of Mosquito Creek drainage in the Mosquito

Range"(Christopher Arthur, personal communication, January 1981)

in central Colorado. The subsequent shaping of the moraine has been

assumed to be the result of later periglacial water washing out the

morainal deposits. The prehistoric occupation of the site extended from

approximately AD 605+/- 75 to AD 190 ± 150 or later, and occured after

the site area had become isolated from further drainage erosion. The

pollen samples were taken from a stratigraphic column extending to a

depth of 60 em below the present ground surface.

This Resource is Part of the Following Collections

• PaleoResearch Institute

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