The magnetic field of the Earth, 1990; inclination chart

Gravity maps of the Dead Sea basin

Complete Bouguer gravity anomaly, isostatic-residual gravity, horizontal gradient, and terrain maps of Colorado

Aeromagnetic map of the San Francisco Bay Area, California

Mount Grace, Massachusetts Bedrock geology

Bedrock geology of the East Greenwich quadrangle, Rhode Island

Geology of the Pearland quadrangle, California

BEDROCK GEOLOGY OF THE GREENFIELD QUAD MASSACHUSETTS

Geology of the Carlisle quadrangle, Pennsylvania

Bedrock geology of the Silver Creek quadrangle, New York

Bedrock geology of the Phoenix quadrangle, Michigan

Mina, Nevada geology

Geology of the Haas quadrangle, Washington

Geology of the Valyermo quadrangle and vicinity, California

Delaware, Michigan Bedrock geology