GAZETTEER OF COLORADO. 185 
Atlas sheet. 
Yampa; river in Routt County, a left-hand branch of Green 
River, heading in the western slopes of Park Range and 
flowing in a generally western course to its mouth; dis- 
charge near Maybell, April 17 to October 31, 1904, 816,900 
acre-feet. 
Yankee ; hill in Lake County Lead ville. 
Yankee; post village in Clear Creek County. 
Yankee Bar; mining town in Gilpin County Blackhawk. 
Yankee Girl; town in Ouray County. 
Yeiser; post town in Las Animas County. 
Yellow; mountain in San Miguel County Telluride. 
Yellow Jacket; pass in Rio Blanco County; altitude, 7,493 feet. 
Yellow Jacket; spring in Montezuma County. 
Yellowstone; gulch in Hinsdale County, tributary to North 
Fork Henson Creek Lake City. 
Yoder; town in El Paso County. 
Yorkville ; village in Fremont County Canyon City. 
Youman; station in Gunnison County on Denver and Rio 
Grande Railroad; altitude, 8,311 feet Lake City. 
Yoxall; station in Weld County on Union Pacific Railroad. 
Yuma; post town in Yuma County on Burlington and Missouri 
River Railroad; population in 1900, 139; altitude, 4,147 
feet. 
Yuma; county in the eastern part of the State; bounded on the 
north by Phillips County, on the east by Kansas and 
Nebraska, on the south by Kit Carson County, and on the 
west by Washington County. The surface consists of 
rolling plains. Its area is 2,316 square miles. The popula- 
tion in 1900 was 1,729; and of Wray, the county seat, 271. 
In 1900 the average magnetic declination was 13° 00 / east. 
The mean annual rainfall is about 16 inches, and the mean 
annual temperature 50° to 55°. 
Zapata; village in Costilla County; altitude, 7,562 feet. 
Zenobia; peak in Routt County; altitude, 9,297 feet. 
Zinc Junction; station in Pueblo County on Denver and Rio 
Grande Railroad. 
Zion, Mount ; in Lake County Lead ville. 
Zirkel; post village in Larimer County. 
Zirkel, Mount; in Larimer County; altitude, 12,126 feet. 
Zuni; gulch in San Juan County, tributary to South Fork 
Animas River Silverton. 
