Filters: Tags: Pennsylvanian (X) > Extensions: NGGDPP Collection (X)

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Collection of Coal Hand Samples from Indiana These are crushed coal samples collected by Indiana Geological Survey coal geologist from Indiana coal mines and borehole locations. They represent various coal beds of the Pennsylvanian age. They are usually crushed to 0.8 mm size for mineral analysis and vitrinite reflectance measurements. Plastic jars of 100ml volume. Categories: Physical Item; Types: Collection, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Coal Samples, Pennsylvanian, ndc_collection