TY  - BOOK
AU  - Laird,Wilson Morrow
TI  - Stratigraphy and structure of North Dakota,
T2  - North Dakota. Geological Survey. Bulletin 18
AV  - QE149 .L3
PY  - 1944///]
CY  - [Grand Forks
KW  - Geology
KW  - North Dakota
KW  - Petroleum
N1  - On cover: Reprinted from National oil scouts and landmen's association yearbook, vol. 14, pp. 420-430, 1944; Reproduced from type-written copy; Bibliographical foot-notes
ER  -