Mean Annual Total Precipitation (Inches) by State Climatic Divisions.
United States.Weather Bureau.
[S.l.] : U.S. Weather Bureau,
1960.
Alber's equal area projection.
"Sheet of the National Atlas of the United States."
Map on verso: Mean Monthly Total Precipitation (Inches) for Selected State Climatic Divisions, 1:10,000,000.
Bartholomew firm library.
Precipitation (Meteorology)