Offered here is an original 1872 Clear Creek Colorado Territory Mining Claim Plat Map for the J. Thorne Claim Grant Lode. Measures 19.75 x 15.25. Hand colored map surveyed by George E. Marsh, U.S. Deputy Surveyor and signed by the U.S. Surveyor General of Colorado (Territory). Located in the Cascade Mining District, well detailed map that shows Ute Gulch at one end of the claim. A great early display piece of Colorado Territory Mining History that will be carefully shipped in original folded condition. Thanks for looking!