1 map : col. ; 25 x 54 cm. fold. to 10 x 17 cm.
Climatic map of eastern slope of Rocky Mts., in Wyoming, Colorado, & New Mexico compiled from U.S.A. Signal Service & medical reports, geological surveys, individual observations, etc. / Charles Denison, M.D.
Map shows elevations, temperature, rainfall, winds; also wagon roads, railroads, mineral and hot springs. Map backed with muslin.
Denver, Colo. : Stone & Co., 1877.