TY  - BOOK
AU  - Johnson,William David
AU  - Kunkel,Robert Paul
TI  - The Square Buttes coal field, Oliver and Mercer Counties, North Dakota,
AV  - QE75 .B9 no. 1076
U1  - 553.22 
PY  - 1959///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Coal
KW  - North Dakota
KW  - Geology, Economic
N1  - Part of illustrative matter in pocket; "Prepared as part of a program of the Department of the Interior for development of the Missouri River Basin."; Bibliography: p. 88-90
ER  -