УА 26.18
N 52 Map of the Conterminous United States, Showing Routes of the Principal Explorers from 1501 to 1844 [Cartographic material] / United States Dep. of the Interior Geological Survey ; prep. by F. Bond. - Repr. ed. - Reston : [s. n., s. a.]. - 1 sh. - Copied from map prep. in 1907. - Taken from Bulletin 1212, Plate 1ing of an earlier print. and enlarged 2 x. - This map was reprod. by electronic color scann <РУСМАРК> |
