Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Strip mining. 5 Strip mining -- Colorado. 1 Strip mining -- Dictionaries. 1 Strip mining -- Employees -- Health and hygiene -- United States. 1 Strip mining -- Environmental aspects. 9 Strip mining -- Environmental aspects -- Appalachian Region. 4 Strip mining -- Environmental aspects -- Colorado. 3 Strip mining -- Environmental aspects -- Colorado -- Rio Blanco County. 2 Strip mining -- Environmental aspects -- Congresses. 3 Strip mining -- Environmental aspects -- Government policy -- United States -- States. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >