[Washington, D.C.] : Geographical Surveys West of the 100th Meridian, 1879
Physical Details
1 map : color ; 37 x 51 cm
OCLC
ocn713662711
Cartographic Data
Scale 1:253,440. 1 in. = 4 miles
Cream colored background.
Relief shown by hachures and spot heights.
Differs from 1878 map of identical title in that relief added to this map on eastern half and on this map and type/text size larger and spaced differently on this map around margins.
"Expeditions of 1877."
"Issued June 30, 1879."
Includes atlas sheet sectional diagram and list of executive officers, field astronomers and topographical assistants.
"Weyss, Lang and Herman, del." -- Lower right border.