Full Title:  Road log no. 2; sapphire deposits of the Missouri River near Helena, Montana. General Information Authors:  Zeihen, L.G. and K. Jones. Date:  01/01/1987 Agency/Company:&nbs ...

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Full Title:  Montana diatremes with kimberlitic affinities General Information Authors:  Hearn, B.C., Jr Date:  01/01/1967 Publication:  Transactions - American Geophysical Un ...

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Full Title:  Diatremes with kimberlitic affinities in north- central Montana General Information Authors:  Hearn, B.C., Jr Date:  01/01/1968 Publication:  Science Vol ...

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Full Title:  On the extensive chalk deposit of the Missouri River General Information Authors:  Hayden, F.V. (chalk deposits, historical, N/A, Natural Resource, Report) ...

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Full Title:  ...geological structure of the country bordering on the Missouri River, from the mouth of the Platte River to Fort Benton, in lat. 47#dg 30#pr N., long. 110#dg 30#pr W General Information Authors:  Hayden ...

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Full Title:  Geologic report of the exploration of the Yellowstone and Missouri rivers, under the direction of...W.F. Raynolds, Corps of Engineers, 1859-60 General Information Authors:  Hayden, F.V (geology, ...

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Full Title:  Notes descriptive of some geological sections of the country about the head-waters of the Missouri and Yellowstone rivers. U.S. Geological Survey of the Territories (Hayden) General Information Authors:  ...

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Full Title:  Montana Soils Data Its purpose is to provide ready access to the available soil data in Montana. The data is available in a variety of formats for your ease of use and convenience. General Information Authors:  ...

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Full Title:  Abandoned Mines This data was generated from the Abandoned Mines Bureau database in January, 1992. Of the 3156 sites, 496 had no coordinates and are not included in the GIS coverage. REQUESTS FOR THIS DATA SHOULD BE REFERR ...

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Full Title:  Abandoned and Inactive Mines Database Mine locations and attributes from the Montana Bureau of Mines and Geology (MBMG) Abandoned and Inactive Mines database. This data was compiled by MBMG using the U.S. Bureau of Mines MI ...

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