Geology and Mineral Resources of the Saylor Creek Bombing Range and Eastern Owyhee County, 1990

Directory of Research and Academic Geology Faculty in Idaho, 1990

Annual Report of the Idaho Geological Survey, Fiscal Year 1990, 1990

Locations of Mines and Prospects in the Elk City Region, Idaho, 1990

Preliminary Geologic Map of the Elk City Region, Idaho County, Idaho, 1990

Preliminary Geologic Map of the Red River Hot Springs-Elk City Area, Idaho County, Idaho, 1990

Geologic Map of the Lucky Peak Quadrangle, Ada County, Idaho, 1990

Geologic Map of the Eagle Quadrangle, Ada County, Idaho, 1990

Geologic Map of the Cloverdale Quadrangle, Ada County, Idaho, 1990

Geochemistry and Stratigraphy of the Meade Peak Phosphatic Shale Member of the Phosphoria Formation Near Hill Spring, Freeman Ridge Area, Caribou County, Southeastern Idaho, 1990

Geologic Map of the Wild Horse Butte Quadrangle, Ada and Owyhee Counties, Idaho, 1990

Geology and Ore Deposits of the Trans-Challis Fault System/Great Falls Tectonic Zone, 1990