Part I. The Little Buffalo Basin oil and gas field; and Part II. The Grass Creek oil and gas field (1914)

Hintze, F.F., Jr., 1915, Part I. The Little Buffalo Basin oil and gas field; and Part II. The Grass Creek oil and gas field: Office of the State Geologist [Wyoming State Geological Survey] Bulletin 11, p. 67–120, 4 pls.