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January 1, 1967

Reported occurrences of selected minerals in Montana

No abstract available.

January 1, 1967

Reported occurrences of selected minerals in the northern third of California

No abstract available.

January 1, 1967

Simple Bouguer gravity map of Baltimore County and Baltimore City, Maryland

No abstract available.

January 1, 1967

Simple Bouguer gravity map of Massachusetts

No abstract available.

January 1, 1967

Surveying the earth's resources from space

Two developments, aerial photography and airborne geophysical surveying techniques, have already increased the rate at which new knowledge of the world's resources can be acquired. But even with far wider use of the tools and techniques already available, the problems that face us are greater than our current ability to solve them. Fortunately, some of the further acceleration required can be obta

Earth Resources Observation and Science (EROS) Center

January 1, 1966