Stratigraphy and Nomenclature of Some Upper Cretaceous and Lower Tertiary Rocks in South-central Wyoming
by James Rogers Gill, Edward Allen Merewether, William Aubrey Cobban ยท 1970
ISBN: Unavailable
Category: Unavailable
Page count: 53
Additional title page description: Regional stratigraphic studies and ammonite zonation are used in interpreting complex intertonguing and subtle facies changes in rocks of Late Cretaceous and early Tertiary age.