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Location The location of the proposed Yamcolo Reservoir is shown on the location and service area maps, Fiqure 1. Th� site is approximately 42 miles by road 5outhwest of the Steamboat Springs and about 12 miles southwest of Yampa, Colorado. The dam will be built in the northwest corner c�f Garfield County near the Routt-Garfield County line on the Yampa (or Bear) River. The elevation at the dam site is approximately 9,500 feet. The town of Yampa, at an elevation of 7,900 feet, is the lowest point in the irrigation portion of the project, lying at the foot of the first terrace down which the river runs, and somewhat lower than the lands on P7atson and Hunt Creeks. The valley is quite shallow as the slope of the Park Range to the east rises gently some 2,000 feet to a crest about 4 miles away. The mesas on the west rise even more gradually to the foot of the talus slopes of the lava plateau which are 10 miles distant. To the south, a divide about 100 feet high separates the valley from the saucer-like Egeria Fark. Climate The climate: of the area is characterized by long severe winters and relatively short, mild summers. P4ountains surround- ing the area afford some protection from temperature extremes exnerienced at some lower points lower in the Yampa Val.ley. Maximum daily summer temperatures range from 70 to 90 degrees and minimums range from 35 to 50 degrees. PaY�les 1 and 2 indicate average climatic conditions at Yampa and Streamboat Springs. It will be noted that although the elevation of Yampa is considerably higher than Steamboat, the average growing season is longer and temperature extremes are less. I - 2 � ' � , ' ' ' ' � ' i ' I � 1 i I ' I ' i ' 1 ' 1 ' � ' 1 I ' �