Wasatch fossils in so-called fort union beds of the powder river basin, Wyoming ans their bearing on the stratigraphy of the region.
Wegemann, Carroll H.
Wasatch fossils in so-called fort union beds of the powder river basin, Wyoming ans their bearing on the stratigraphy of the region. - Washington Government Printing Office 1917 - pp. 57-60
Impreso
Ingles
MINERIA
Wasatch fossils in so-called fort union beds of the powder river basin, Wyoming ans their bearing on the stratigraphy of the region. - Washington Government Printing Office 1917 - pp. 57-60
Impreso
Ingles
MINERIA