1966. This line shapefile contains ice observations in the Arctic region for April 29, 1966. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).
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2003. Geological Survey (U.S.). This point shapefile represents locations of agricultural minerals operations in the United States. The data represent commodities covered by the M... National Atlas of the United States.
2003. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents construction minerals operations in the United States. The data represent commodities covered by the Minerals Infor... National Atlas of the United States.
1966. This line shapefile contains ice observations in the Arctic region for May 20, 1966. This layer is part of the Arctic Climate System (ACSYS) Histor... Arctic Climate System (ACSYS).
1930. Mitchell, John, 1711-1768. Published in: Boundaries, areas, geographic centers and altitudes of the United States and the several states / Edward M. Douglas. Washington : Gov... U.S. Geological Survey (Washington, D.C).
1750. Mitchell, John, 1711-1768. Scale [ca. 1:4,000,000]. Not 69 1/2 English miles to a degree; 1 map; 66 x 96 cm. North America--Maps--Early works to 1800. U.S. Geological Survey.
Mercator, Gerhard, 1512-1594, Hondius, Jodocus, 1563-1612, and Hondius, Hendrik, 1587-1638. Gerhard Mercator. Found in Gerard Mercator. Atlas sive cosmographicæ meditationes. Amsterdam : Hendrik Hondius. Originally published by Jodocus Hon... Hendrik Hondius.
7798. Nan'yō Guntō
Japan, Rikugun., Sanbō Honbu. Based on the survey in 1938. Includes inset map of a broader area. Maps cover area of "South Pacific Mandate." "Gunji gokuhi (tadashi senchi ni ari... [Rikugun Sanbō Honbu].
7799. Nan'yō Guntō
Japan, Rikugun., Sanbō Honbu. Based on the survey in 1938. Includes inset map of a broader area. Maps cover area of "South Pacific Mandate." "Gunji gokuhi (tadashi senchi ni ari... [Rikugun Sanbō Honbu].
7800. Nan'yō Guntō
Japan, Rikugun, Sanbō Honbu. Based on the survey in 1938. Includes inset map of a broader area. Maps cover area of "South Pacific Mandate." Notes printed in red. 0002. [Rikugun Sanbō Honbu].