Category:Scoria in Alaska
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This category has the following 2 subcategories, out of 2 total.
Media in category "Scoria in Alaska"
This category contains only the following file.
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Scoria Pits, Quarries--St. George - DPLA - 1623631064f0812ce22bbab93f71258c.JPG 2,272 × 1,704; 823 KB