comprehensive road network file; roads, streets, etc.
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Principal Components Imagery and its Potential Application to Kimberlite Exploration in the Buffalo Head Hills Area, North Central Alberta. Special Report 21.
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Forward Sortation Areas (FSA) are polygons of the first three digits of Canadian postal codes.
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Principal facts for 40,488 gravity stations covering the entire state of Wisconsin are presented here in digital form. This is a compilation of previously published data collected between 1948 and 1992 from numerous sources, along with over 10,000… Read more.
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The Kanmantoo Province dataset covers the area containing Cambrian Kanmantoo Group rocks in southeastern South Australia including the southern part of the Murray Basin. Reference: Mineral Exploration Data Packages, 3.Compiled by Geological Survey… Read more.
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Carte synthese et catalogue des gites mineraux
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About This DVD: After pioneering the first airborne magnetic survey in 1945, the U.S. Geological Survey (USGS) has collected piecemeal aeromagnetic data for most of the U.S., including offshore areas on both coasts. The U.S. Geological Survey's… Read more.
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The Quaternary Geology Data Set is a seamless digital representation of the Surficial Geology for the province of Ontario. Digitized from the 1: 1 000 000 geologic map of Quaternary data and compiled from engineering terrain and surficial geology… Read more.