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.
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South Australia MGA Geoscientific GIS DVD The South Australia MGA GIS DVD is a consolidation of the spatial data previously available in the State and Provincial CD data packages, presented as MGA Zones 52, 53 and 54 projections.
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This dataset covers Eyre Peninsula and a small part of Yorke Peninsula. * Coordinate projection MGA Zone 53 (GDA94). * Dataset size 180 Mb * Available formats: ArcView, MapInfo on CD-ROM. Users must provide their own software. Reference: Mineral… Read more.
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This map supplants the outdated 1:2.5 million map, published in 1976 and based on BMR first-generation 1:250k maps. A feature of the new map is the division of the Proterozoic into ten regionally identifiable and generally unconformable-bounded… Read more.