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January 1, 1989

Metallogenic map of volcanogenic massive-sulfide deposits in pre- Tertiary island-arc and ocean-basin environments in Nevada

No abstract available.

January 1, 1989

Metallogenic maps of the northeast quadrant of the Circum-Pacific region, showing inferred mineral belts and distribution of oil and gas fields in accreted terranes and craton

No abstract available.

January 1, 1989

Mineral and energy resource assessment maps of the Ugashik, Bristol Bay, and western Karluk quadrangles, Alaska

No abstract available.

January 1, 1989

Mineral occurrence and drill-hole location map of the International Falls 1 degree by 2 degrees Quadrangle, Minnesota and Ontario

A project to assess the mineral potential of the U.S. part of the International Fall 1° x 2° quadrangle was undertaken by the U.S. Geological Survey (USGS) in the early 1984, as part of the Conterminous United States Mineral Assessment Program (CUSMAP). Because glacial drift covers most of the basement rocks south of the U.S.-Canada border and mineral production in this part of Minnesota has been

January 1, 1989