Petrology of the Meade Peak phosphatic shale member of the Phosphoria formation at Coal Canyon, Wyoming and a method of x-ray analysis for determing the ratio of calcite to dolomite in mineral mixtures /

Autor Gulbrandsen, Robert A.
Vydáno 1960

Large and rich phosphorus resources in the Phosphoria Formation in the Soda Springs area, southeastern Idaho /

Autor Gulbrandsen, Robert A., Krier, Donathon J.
Vydáno 1980

Geology of the Johnson Creek Quadrangle, Caribou County, Idaho : contribution to economic geology /

Autor Gulbrandsen, Robert A., McLaughlin, K. P., Honkala, F. S., Clabaugh, Stephen
Vydáno 1956