USGS Mineral Investigations Resources Map Publications

Maps showing geographic distributions and grade of mineral resources on a regional basis.

MR 93

Cruz, E.L., and Cobb, E.H., 1986, Map showing occurrences of antimony minerals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 93, 3 p., 1 sheet, scale 1:2,500,000.

MR 91

Cobb, E.H., 1984, Map showing occurrences of lead minerals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 91, 1 sheet, scale 1:2,500,000.

MR 90

Cobb, E.H., 1984, Map showing occurrences of copper minerals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 90, 19 p., 1 sheet, scale 1:2,500,000.

MR 89

Cruz, E.L., and Cobb, E.H., 1984, Map showing occurrences of tin minerals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 89, 1 sheet, scale 1:2,500,000.

MR 87

Cruz, E.L., and Cobb, E.H., 1984, Map showing occurrences of mercury minerals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 87, 1 sheet, scale 1:2,500,000.

MR 86

Cobb, E.H., 1984, Map showing occurrences of molybdenum minerals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 86, 1 sheet, scale 1:2,500,000.

MR 85

Cobb, E.H., 1984, Map showing occurrences of tungsten minerals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 85, 6 p., 1 sheet, scale 1:2,500,000.

MR 84

Cobb, E.H., 1984, Map showing occurrences of lode gold and silver in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 84, 16 p., 1 sheet, scale 1:2,500,000.

MR 83

Cobb, E.H., 1984, Map showing occurrences of placer gold in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 83, 1 sheet, scale 1:2,500,000.

MR 68

Cobb, E.H., 1975, Chromite occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 68, 1 sheet, scale 1:2,500,000.

MR 66

Cobb, E.H., 1975, Tungsten occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 66, 1 sheet, scale 1:2,500,000.

MR 65

Cobb, E.H., 1974, Tin occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 65, 1 sheet, scale 1:2,500,000.

MR 64

Cobb, E.H., 1975, Occurrences of platinum-group metals in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 64, 1 sheet, scale 1:2,500,000.

MR 63

Cobb, E.H., 1974, Nickel occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 63, 2 p., 1 sheet, scale 1:2,500,000.

MR 62

Cobb, E.H., 1974, Copper occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 62, 1 sheet, scale 1:2,500,000.

MR 61

Cobb, E.H., 1974, Cobalt occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 61, 2 p., 1 sheet, scale 1:2,500,000.

MR 59

Cobb, E.H., 1974, Molybdenum occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 59, 3 p., 1 sheet, scale 1:2,500,000.

MR 56

Cobb, E.H., 1970, Uranium, thorium, and rare-earth elements in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 56, 1 sheet, scale 1:2,500,000.

MR 54

Cobb, E.H., 1970, Mercury occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 54, 2 p., 1 sheet, scale 1:2,500,000.

MR 53

Cobb, E.H., 1970, Bismuth occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 53, 1 sheet, scale 1:2,500,000.

MR 41

Cobb, E.H., 1964, Industrial minerals and construction materials occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 41, 1 sheet, scale 1:2,500,000.

MR 40

Cobb, E.H., 1964, Iron occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 40, 1 sheet, scale 1:2,500,000.

MR 38

Cobb, E.H., 1964, Placer gold occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 38, 16 p., 1 sheet, scale 1:2,500,000.

MR 11

Cobb, E.H., 1960, Antimony, bismuth, and mercury occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 11, 1 sheet, scale 1:2,500,000.

MR 10

Cobb, E.H., 1960, Molybdenum, tin, and tungsten occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 10, 1 sheet, scale 1:2,500,000.

MR 9

Cobb, E.H., 1960, Copper, lead, and zinc occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 9, 1 sheet, scale 1:2,500,000.

MR 8

Cobb, E.H., 1960, Chromite, cobalt, nickel, and platinum occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resources Map 8, 1 sheet, scale 1:2,500,000.