Browse mineral resources

Androscoggin 67 records

Aroostook 113 records

Cumberland 90 records

Franklin 26 records

Hancock 384 records

Kennebec 53 records

Knox 120 records

Lincoln 18 records

Oxford 237 records

Penobscot 73 records

Piscataquis 76 records

Sagadahoc 83 records

Somerset 48 records

Waldo 45 records

Washington 130 records

York 88 records