United States National Park Service Geological Survey (U.S.) 7 Turner, Kenzie J 4 Murphy, Douglas A 3 Palo Alto Battlefield National Historic Site (Agency : U.S.) 3 Bi-national Conference on the War between Mexico and the United States Brownsville, Tex 2 Colegio de la Frontera Norte (Matamoros, Tamaulipas, Mexico) 2 McDougall, W. B (Walter Byron), 1883-1980 2 Palo Alto Battlefield National Historic Site (Tex.) 2 Rives, Jerry L 2 Sperry, Omer Edison 2 Texas Agricultural Experiment Station 2 United States Soil Conservation Service 2 University of Texas at Brownsville 2 Bi-National Conference on the War Between Mexico and the United States Brownsville, Tex. and Matamoros, Coahila, Mexico 1 Bi-national Conference on the War between Mexico and the United States Brownsville, Tex.; Matamoros, Tamaulipas, Mexico 1 Bohannon, Robert G 1 Cochran, Rex 1 Cochran, Rex A 1 Colegio de la Frontera Norte (Matamoros, Coahila, Mexico) 1 Douglass, James A. 1 Gordon, James 1 Grabowska, John 1 Harpers Ferry Center (U.S.) 1 Joseph, Harriett Denise 1 Knopp, Anthony 1 Knopp, Anthony K., 1940- 1 Loomis, Lynn E. 1 Murphy, Douglas A. 1 Padre Island National Seashore (Agency : U.S.) 1 see all ...

Maps 55 Braille books 14 Tourist maps 9 Government publications 5 Conference papers and proceedings 3 Congresses 3 Geological maps 3 Periodicals 3 Aerial views 2 Field guides 2 Guidebooks 2 Handbooks and manuals 2 Identification 2 Juvenile literature 2 Designs and plans 1 Documentary films 1 History 1 Juvenile works 1 Literature 1 Livres en braille 1 Observations 1 Short films 1 Thematic maps 1 Topographic maps 1 see all ...

Texas Big Bend National Park 18 Big Thicket National Preserve 17 Big Thicket National Preserve (Tex.) 17 Big Bend National Park (Tex.) 12 Guadalupe Mountains National Park (Tex.) 8 Palo Alto Battlefield National Historical Park (Tex.) 8 Amistad National Recreation Area 6 Amistad National Recreation Area (Tex.) 6 United States 6 Lake Meredith National Recreation Area (Tex.) 5 Palo Alto Battlefield National Historical Park 5 Waco 5 Waco Mammoth National Monument (Tex.) 5 Alibates Flint Quarries National Monument (Tex.) 4 Guadalupe Mountains National Park 4 Lake Meredith National Recreation Area 4 Mexico 4 Padre Island National Seashore (Tex.) 4 Palo Alto Battlefield National Historic Site (Tex.) 4 Alibates Flint Quarries National Monument 3 Chamizal National Memorial 3 Chamizal National Memorial (El Paso, Tex.) 3 El Paso 3 Fort Davis National Historic Site 3 Fort Davis National Historic Site (Tex.) 3 Lyndon B. Johnson National Historical Park 3 Lyndon B. Johnson National Historical Park (Tex.) 3 Padre Island National Seashore 3 San Antonio Missions National Historical Park (San Antonio, Tex.) 3 see all ...