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The clinker theme represents a digital polygon coverage showing areas where clinker is present. Clinker forms from the natural burning of coal beds in outcrop, and consists of baked (melted) and...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:53 AM -
This ArcView shape file contains a line representation of the Knobloch coal bed outcrop or contact with clinker in the Ashland coalfield as defined in the USGS National Coal Resource Assessment...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 05:55 AM
