MANGANESE DEPOSITS OF CEDAR CREEK, VA
MANGANESE DEPOSITS OF CEDAR CREEK VALLEY, FREDERICK AND SHENANDOAH COUNTIES, VIRGINIA
MUSCOVITE: SPRUCE PINE DISTRICT, NC
MUSCOVITE IN THE SPRUCE PINE DISTRICT, NORTH CAROLINA
TIN SPODUMENE BELT OF THE CAROLINAS, RPT
THE TIN-SPODUMENE BELT OF THE CAROLINAS, A PRELIMINARY REPORT
NICKEL-COPPER DEPOSITS AT SNIPE BAY, AK
NICKEL-COPPER DEPOSITS AT SNIPE BAY, BARANOF ISLAND, ALASKA
CHROMITE DEPOSITS OF KENAI PENINSULA, AK
Strategic minerals investigations, 1941, short papers and preliminary reports. Chromite deposits of Kenai Peninsula, Alaska
NICKEL DEPOSIT NEAR GOLD HILL, CO
Strategic minerals investigations, 1941, short papers and preliminary reports. Nickel deposit near Gold Hill, Boulder County, Colorado
QUICKSILVER ANTIMONY DEPOSIT STAYTON, CA
Strategic minerals investigations, 1941, short papers and preliminary reports. Quicksilver and antimony deposits of the Stayton district, California
TUNGSTEN DEPOSITS BORIANA AQUARIUS, AZ
Tungsten deposits in the Boriana district and the Aquarius Range, Mohave County, Arizona
MANGANESE SWEET SPRINGS DISTRICT, WV
Manganese deposits of the Sweet Springs district, West Virginia and Virginia
MOUNT DIABLO DIST, CA; QUICKSI
Quicksilver deposits of the Mount Diablo district, Contra Costa County, California
ANTIMONY DEPOSITS OF STAMPEDE CREEK, AK
ANTIMONY DEPOSITS OF THE STAMPEDE CREEK AREA, KANTISHNA DISTRICT, ALASKA
TUNGSTEN DEPOSITS ISLA DE PINOS, CUBA
Tungsten deposits, Isla de Pinos, Cuba
MANGANESE DEPOSITS OF CUBA
Manganese deposits of Cuba
THE NEW MADRID EARTHQUAKE
The New Madrid earthquake
GEOPHYSICAL ABSTRACTS 101, APR
Geophysical abstracts, 100-103, January-December 1940. Geophysical abstracts 101, April-June 1940