TY  - BOOK
AU  - Richards,Paul W.
TI  - Geology of the Bighorn Canyon-Hardin area, Montana and Wyoming: a description of the geography, stratigraphy, structure, geomorphology, and mineral resources of the area 
AV  - QE75 .B9 no. 1026
PY  - 1955///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology
KW  - Bighorn-Hardin area
N1  - Part of illustrative matter is folded in pocket; Includes index; "Literature cited": p. 88-90
ER  -