Graphs showing linear to fractional scale conversions for maps /

Bibliographic Details

Main Author:	Alpha, Tau Rho
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Poole, David W.
Format:	Government Document Map
Language:	English
Published:	[Denver, Colo.?] : The Survey, 1979.
Series:	Miscellaneous field studies ; map MF-1141.
Subjects:	Map scales.