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Page 5901, results 147501 - 147525

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Not all publications have extents, not all extents are completely accurate
Petrography of the Athol quadrangle, Massachusetts
Anita Louise Mook
1967, Open-File Report 68-185
The Athol quadrangle of north-central Massachusetts is underlain by high-grade metamorphosed amphibolites, gneisses, schists, calc-silicate gneisses, quartzites, and orthogneisses. These include the Monson Gneiss of Middle Ordovician or older age, the Partridge Formation of Middle Ordovician age, and the Middle to Late Devonian Hardwick Granite of the New Hampshire Plutonic...
Iron in the United States, exclusive of Alaska and Hawaii
Martha S. Carr, Philip White Guild, W.B. Wright
1967, Mineral Investigations Resource Map 51
The iron-ore deposits in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map; many iron-bearing deposits that are of lesser or only potential value are also shown. Because these deposits range widely in extent, two general categories of symbols are used, each of which is...
Ground-water hydrology of the Punjab region of West Pakistan, with emphasis on problems caused by canal irrigation
D.W. Greenman, W.V. Swarzenski, G.D. Bennett
1967, Water Supply Paper 1608-H
Rising water tables and the salinization of land as the result of canal irrigation threaten the agricultural economy of the Punjab. Since 1954 the Water and Soils Investigation Division of the West Pakistan Water and Power Development Authority has inventoried the water and soils resources of the Punjab and investigated...