Colorado (Summit County), Breckenridge special map : topography / R.B. Marshall, chief geographer ; E.C. Barnard, geographer in charge ; topography by Chas. E. Cooke and D.F.C. Moor
Annotatie geografische gegevens: Opname: 1908
GeoplazaMarshall, R. B.; Barnard, E. C.; Cooke, Chas. E.; Moor, D. F. C.
1910
[Washington, D.C. : U.S. Geological Survey]
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