Adolph Knopf – författare

Geologic Reconnaissance Of The Inyo Range

And The Eastern Slope Of The Southern Sierra Nevada, California

Geologic Reconnaissance Of The Inyo Range

And The Eastern Slope Of The Southern Sierra Nevada, California

Sitka Mining District, Alaska

Sitka Mining District, Alaska

Some Cinnabar Deposits in Western Nevada

Some Cinnabar Deposits in Western Nevada

Rocks and Rock Minerals

Rocks and Rock Minerals

Ore Deposits of the Helena Mining Region, Montana

Usgs Bulletin 527

Contributions to Economic Geology, 1916, Part I, Metals and Nonmetals Except Fuels

Tungsten Deposits of Northwestern Inyo County, California: Usgs Bu