NPS
National Park Service. 2002. GIS (Geographic Information System) Data Specifications for Resource Mapping, Inventories, and Studies. . 10 p.
Tonne, P. 2004. Results of rare plant surveys on Carlsbad Caverns National Park Walnut Canyon entrance road. Natural Heritage New Mexico, University of New Mexico, Albuquerque, New Mexico.. 42 p.
Neville, T., E. Muldavin, and L. Arnold. 2010. Preliminary prehistoric hearth maps for White Sands National Monument. Natural Heritage New Mexico Publ. No. 10-GTR-358. Natural Heritage New Mexico, University of New Mexico, Albuquerque, NM. 10 p.
Tonne, Phil. 2004. Results of rare plant surveys on Carlsbad Caverns National Park proposed sewer line. Natural Heritage New Mexico, University of New Mexico.. 27 p.
Carlsbad Caverns National Park. 2002. GIS shapefiles from Carlsbad Caverns National Park.
National Park Service. 1998. White Sands Missle Range GIS Data Grass Format.
Johnson, K., G. Sadoti, G. Racz, J. Butler, and Y. Chauvin. 2003. National Park Service Southern Plains Network, final inventory report for New Mexico parks. Natural Heritage New Mexico. 42 + appendices p.