Conservation and Environment
Marschner, F. J. (Francis Joseph), 1882-1966.
Marshall, R. B.
Marshall, R. B. (Robert Bradford), 1867-1949.
Mears, Edward B.
Mexico. Dirección de Estudios Geográficos y Climatológicos.
Millar, Andrew, 1707-1768.
Mississippi Geological Survey.
Mitchell, John, 1711-1768.
Mitchell, S. Augustus (Samuel Augustus), 1792-1868.
Modelski, Andrew M., 1929-
Moll, Herman, -1732.
Moll, Herman, d. 1732.
Moore, Isaac W.
Mountain Area Safety Taskforce (Calif.)
National Cartographic Center (U.S.)
National Earthquake Information Center.
National Geophysical and Solar-Terrestrial Data Center.
National Wetlands Inventory (U.S.)
Newton, Henry, 1845-1877.
Nickolson, W. L.
Nishenko, S. P. (Stuart P.)
Nolan, Jacqueline V.
Northern Pacific Railroad Company.
Northern Pacific Railway Company.
Peel, M. R.
Petermann, A. (August), 1822-1878.
Petroff, Ivan, 1842-
Picart, H. (Hugues), 1587-1662 or 1664.
Pike, Zebulon Montgomery, 1779-1813.
Porter, Seward, 1784-1838.
Powell, John Wesley, 1834-1902.
Rand Avery, Supply Co.
Rand McNally and Company.
Rand, Edward L.
Reid, John, publisher.
Reixach, A. J.
Renshawe, John H.
Rieley, William D., 1932-
Robert Sayer and John Bennett (Firm)
Robert de Vaugondy, Didier, 1723-1786.
Rockhill, William Woodville, 1854-1914.
Royce, C. C.
Sanson, Nicolas, 1600-1667.
Sayer, Robert, 1725-1794.
Sherman, W. H.
Simonneau, Charles, 1645-1728.
Sleeter, Benjamin M.
Smith, George Otis, 1871-1944.
Southern Railway (U.S.)
Sprecher, J. M.
Stanton, Robert Brewster, 1846-1922.
Stuart, J. H.
Summer Residents Association.
Swann, John S.
T. Moore's Lithography.
Texas Natural Resources Information System.
Thompson, A. H. (Almon Harris), 1839-1906.
U.S. Coast and Geodetic Survey.
Underwood & Underwood.
Union Pacific Railroad Company.
Union Pacific Railway Company.
United States. Agency for International Development. Office of U.S. Foreign Disaster Assistance.
United States. Agricultural Research Service.
United States. Army. Corps of Engineers. Kansas City District.
United States. Army. Corps of Engineers. New Orleans District.
United States. Army. Corps of Engineers. St. Louis District.
United States. Bureau of Chemistry and Soils.
United States. Bureau of Soils.
United States. Central Intelligence Agency.
United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Recreation.
United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Public Lands.
United States. Department of the Interior.
United States. Environmental Protection Agency.
United States. Forest Service.
United States. Forest Service. Eastern Region.
United States. Forest Service. Southern Region.
United States. Forest Service. Southwestern Region.
United States. General Land Office.
United States. Mississippi River Commission.
United States. National Forest Service.
United States. National Oceanic and Atmospheric Administration.
United States. National Park Service.
United States. National Park Service. North Atlantic Regional Office.
United States. Office of Explorations and Surveys.
United States. Soil Conservation Service.
United States. Superintendent of Sequoia and General Grant National Parks.
United States. Topographical Bureau.
United States. War Department.
United States. War Department. Corps of Engineers.
United States. War Department. Office of the Chief of Engineers.
University of Tennessee, Knoxville. Agricultural Experiment Station.