Coal fields of the United States, sheet 1 1960
Title:
Coal fields of the United States, sheet 1 1960
Author:
Trumbull, James, 1927-
Personal Author:
Publication Information:
Washington, D.C. : U.S. Geological Survey, 1960.
Physical Description:
1 map : color ; 63 x 100 cm
General Note:
Includes 4 ancillary maps, graph showing "Moist, mineral-matter-free BTU, " and 2 bar graphs showing "Heat value of coal of different ranks compared to proximate analyses."
"MR-2651."
Language:
English
Subject Term:
Geographic Term:
Added Corporate Author:
Format :
Map