Author:

Sandberg,C.A.

Year:

1968

Title:

Spirorbal Limestone in the Souris River (?) Formation of Late Devonian age at Cottonwood Canyon, Bighorn Mountains, Wyoming.

Reference:

Sandberg,C.A. (1968) Spirorbal Limestone in the Souris River (?) Formation of Late Devonian age at Cottonwood Canyon, Bighorn Mountains, Wyoming. United States Geological Survey, Professional Paper Vol. 475 # 63 P. 14- 16

Google Academy:

try to search by title in english