00824cam a2200265 4500 gs 68000291 DLC 20260227111423.0 690528s1969 dcuab b 00100 eng c gs 68000291 //r85 U.S. Geological Survey Library QE75 .B9 no. 1275 TN805.A5 A852 Copy 2. 553/.2/0973 Averitt, Paul, 1908- Coal resources of the United States, January 1, 1967. Washington, U.S. Govt. Print. Off., 1969. vi, 116 p. illus., maps. 24 cm. 0.65 Geological Survey bulletin 1275 "Supersedes Bulletin 1136." Bibliography: p. 101-112. Coal United States. Geological Survey bulletin ; 1275. 30504 30504