Book Kastor, Peter J.; (2011)
William Clark's World: Describing America in an Age of Unknowns unapi

Thesis Brock, Darryl Erwin; (2014)
American Empire and the Scientific Survey of Puerto Rico unapi

Book Robert S. McPherson; Susan Rhoades Neel; (2016)
Mapping the Four Corners: Narrating the Hayden Survey of 1875 unapi

Thesis Carlson, Laurie Winn; (2004)
William J. Spillman: Scientific Agriculture in the Progressive Era unapi

Chapter Ridner, Judith; (2011)
Building Urban Spaces for the Interior: Thomas Penn and the Colonization of Eighteenth-Century Pennsylvania unapi

Book Inglis, Robin; (2008)
Historical Dictionary of the Discovery and Exploration of the Northwest Coast of America unapi

Article Azara, Francesca; (2013)
The Maps of New Spain by Alexander Von Humboldt and Zebulon Montgomery Pike unapi

Article Bollwerk, Elizabeth; (2015)
From Cultural Complexes to Complex Social Topography: A History of Spatial Approaches to Native Cultural Landscapes in the Middle Atlantic unapi

Article Jewett, Andrew; (2013)
The Social Sciences, Philosophy, and the Cultural Turn in the 1930s USDA unapi

Article Pursell, Carroll W.; (1968)
The administration of science in the Department of Agriculture, 1933-1940 unapi

Book Orsi, Jared; (2014)
Citizen Explorer: The Life of Zebulon Pike unapi

Thesis Jones, Jeffrey Jacob; (2004)
The World Was Our Garden: United States Plant Introduction, Empire, and Industrial Agri(culture), 1898--1948 unapi

Book Jeffers Lennox; (2017)
Homelands and Empires: Indigenous Spaces, Imperial Fictions, and Competition for Territory in Northeastern North America, 1690–1763. unapi

Book Cox, Thomas R.; (2010)
The Lumberman's Frontier: Three Centuries of Land Use, Society, and Change in America's Forests unapi

Chapter Strandsbjerg, Jeppe; (2012)
Surveying the Field of State Territory unapi

Article Johannes Mattes; (2015)
Underground Fieldwork – A Cultural and Social History of Cave Cartography and Surveying Instruments in the 19th and at the beginning of the 20th Century unapi

Book Lemmon, Alfred Emmette; Magill, John T.; Wiese, Jason R.; Hébert, John R.; (2004)
Charting Louisiana: Five Hundred Years of Maps unapi

Article Moema de Rezende Vergara; (2022)
Observational astronomy and the mapping of Brazil at the turn of the 20th century unapi

Article Phillips, Sarah T.; Potts, Dale; Petty, Adrienne; Schultz, Mark; Stalcup, Sam; Effland, Anne; (2013)
Reflections on One Hundred and Fifty Years of the United States Department of Agriculture unapi

Article WILLIAM J. HINZE; (2024)
The Early History of Magnetic Exploration in North America unapi