To search for materials related to land grants in archival collections in the Center for Southwest Research (as well as 30 other repositories throughout New Mexico, Colorado, and Wyoming), visit the Rocky Mountain Online Archive.
Listed below are the primary archival collections in the CSWR that relate to land grants:
Thomas B. Catron Papers, 1840-1921. MSS 29 BC. Catron was an attorney for Hispano land grant holders. Series 301 has original records of 282 land grant cases of the U.S. Court of Private Land Claims, Santa Fe District, 1891-1903, from Catron's office files. Some claims contain maps, and a few materials related to Arizona are available. All papers and maps related to land claims from the Catron Collection (except boxes 44 and 45) are in the New Mexico Digital Collections.
United States Soil Conservation Service Region Eight Records, 1919-1953 - Southwest. MSS 289 BC. Soil and water reports, some with maps and photos, etc. Includes material for various Hispanic towns in New Mexico, Pueblo villages, and Navajo, Pima, Hualapai, Papago, San Carlos and San Xavier reservations in Arizona.
Lawyers Title Insurance Corporation, ca. 1800s-1970s. MSS 553 BC. Title abstracts, some with maps, for New Mexico properties, particularly Bernalillo County, Albuquerque, and some rural tracts, land grants, etc., throughout state.
Tonantzin Land Institute Records, 1911-2000. MSS 666 BC. Records of the group's work in defense of community and sovereignty; also materials on U.S. Forest Service, National Park Service, land grants, water rights, management, court cases, surveys, acequias, etc.
The Map and Geographic Information Center (MAGIC), located in UNM's Centennial Science & Engineering Library, has the largest collection of maps and other geographic information about New Mexico, including some maps on land grants and water use. Selected maps are available in New Mexico Digital Collections.