Stratigraphy and structure of North Dakota - Laird, Wilson Morrow, 1915- ([Grand Forks, 1944)
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.
Keywords: Geology -- North Dakota; Petroleum -- North Dakota