1994. This polygon shapefile contains ice observations in the Arctic region for March 7, 1994. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile represents railroads in North America only. The “basic” railroads at 10m scale are from Commission for Environmental Cooper... North American Cartographic Information Society.
United States, Office of Strategic Services., Research and Analysis Branch. and United States, Office of Strategic Services., Reproduction Branch. R & A, OSS. "15 Jan. 1945." "No. 5978.". Lithographed in Reproduction Branch, OSS.
1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, and 2008. International Heat Flow Commission, International Association of Seismology and Physics of the Earth's Interior, and Oklahoma State University. Department of Geography. Cartography Service. This point shapefile contains heat flow data for the South Atlantic Ocean compiled from sources dating from 1962 to 2008. Heat flow is a measure of... International Heat Flow Commission.
2002. This polygon shapefile contains ice observations in the Arctic region for August 12, 2002. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for January 13, 1997. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
3957. America Septentrionalis
1641. Jansson, Jan, 1588-1664. Relief shown pictorially.; Covers North America, Central America, and northern part of South America.; State 2, first issued in 1641, according to ... Excudit Ioannes Ianssonius (Amstelodami).
1996. This polygon shapefile contains ice observations in the Arctic region for February 19, 1996. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1721. Senex, John, -1740. India--Maps.
2014. National Atlas of the United States. This map layer shows major ports in the United States, Puerto Rico, and the U.S. Virgin Islands. A port is a city, town, or urban area with a harbo... National Atlas of the United States.