Tools for Applying Classification Trees for Land Cover Mapping. Lowry, John, Christine Gerrard, and Vidon Chowdary. 2003. 13th National GAP Analysis Program Meeting. (pdf file)

Herramientas para la aplicacion espacial de Arboles de Clasificatcaion en el mapeo de la Coertura de La Tierra. Lowry, John, Christine Gerrard, and Vidon Chowdary. 2004. (pdf file)

El mapeo de la cobertura de la tierra para areas geograficas grandes: Una descripcion del Proyecto GAP Regional del suroeste de los Estados Unidos. Lowry, John, Douglas Ramsey, Jessie Kirby, and Lisa Langs. 2004. (pdf file)

Mule Deer Habitat of the Western United States. Lowry, John. 2004. ESRI User Conference 2004. (pdf file)

The Southwest Regional Gap Analysis Project: A Status Report. Langs, Lisa, Wendy Rieth, John Lowry, Doug Ramsey, and Jessie Kirby. 2005. National GAP Conference 2005. (pdf file)

Land cover mapping for large geographic areas: An overview of the Southwest Regional Gap Analysis Project. Lowry, John, Douglas Ramsey, Jessie Kirby, and Lisa Langs. 2005. National Gap Conference 2005. (pdf file)

Comparing Conceptual and Empirical Range Vegetation Classification Systems for the Intermountain West. Adair, William, R. Douglas Ramsey, and John Lowry. 2006. (pdf file)