124 GAZETTEER OF COLORADO. 
Atlas sheet. 
Oak Creek Junction; station in Fremont County on Denver 
and Rio Grande Railroad; altitude, 5,194 feet. 
Oakes; town in Arapahoe County. Post-office, Sullivan. 
O'Brien Junction; station in Douglas County on Denver and 
Rio Grande Railroad. 
Observatory Cone; summit in Elk Mountains, Gunnison 
County; altitude, 8,866 feet. 
Occidental; station in Huerfano County on Denver and Rio 
Grande Railroad. 
Officers; station in Summit County on Denver and Rio Grande 
Railroad. 
Oh-be-joyful; gulch in Gunnison County, tributary to Slate 
River Anthracite. 
Oh-be-joyful; peak in Gunnison County Anthracite. 
Ohio; creek in Gunnison County, a right-hand branch of Gun- 
nison River. 
Ohio; gulch in San Juan County, tributary to Cement Creek.. Silverton. 
Ohio; pass in Gunnison County; altitude, 10,033 feet Anthracite. 
Ohio; peak in Elk Mountains, Gunnison County; altitude, 12,251 
feet Anthracite. 
Ohio; peak in San Juan Mountains, San Juan County Silverton. 
Ohio; post village in Gunnison County on Colorado and South- 
ern Railway. 
Ohio City; station in Gunnison County on Colorado and 
Southern Railway; altitude, 8,556 feet. 
Ohwiler ; ridge in La Plata County La Plata. 
Oil; creek in Fremont County, a left-hand branch of ArkansasfPikes Peak. 
River. ICanyon City. 
Ojo; station in Costilla County on Denver and Rio Grande Rail- 
road Huerfano Park. 
Ojo Vallecito; spring in Dolores County; altitude, 6,400 feet. 
Olathe; post village in Montrose County on Denver and Rio 
Grande Railroad; altitude, 5,355 feet. 
Old Baldy; peat in Sangre de Cristo Range, Costilla County; 
altitude, 14,176 feet Huerfano Park. 
Old Baldy; summit in San Juan Mountains, Ouray County. 
Olivet, Mount; in Jefferson County. 
Olney; post village in Otero County on Missouri Pacific Rail- 
way; altitude, 4,372 feet. Railroad name, Olney Springs.. Cat! in. 
Olympus, Mount; in Larimer County. 
Omer; post village in Otero County. 
Oneco: village in Routt County. 
Onion; creek in Montrose County, a right-hand branch of Un- 
compahgre River. 
Ophir; pass in San Juan County Telluride. 
Ophir; post town in San Miguel County on Denver and Rio 
Grande Railroad; population in 1900,127; altitude, 9,224 
feet Telluride. 
Ophir Needles; summits in San Juan Mountains, San Miguel 
County Telluride. 
Ophir Station; in San Miguel County on Denver and Rio 
Grande Railroad Telluride. 
