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J. Andrew Hubbard

2 books

Terrestrial Vegetation and Soils Monitoring at Casa Grande Ruins National Monument: 2008 Status Report by National Park Service, Sarah E. Studd, J. Andrew Hubbard

Terrestrial Vegetation and Soils Monitoring at Casa Grande Ruins National Monument: 2008 Status Report

Natural Resource Technical Report Nps/Sodn/Nrtr?2011/487

National Park Service, Sarah E. Studd, J. Andrew Hubbard

78 pages • paperback

nonfiction nature psychology medium-paced
Terrestrial Vegetation and Soils Monitoring in the Tucson Mountain District, Saguaro National Park, 2009?2010 by National Park Service, Sarah E. Studd, Charyl L. McIntyre

Terrestrial Vegetation and Soils Monitoring in the Tucson Mountain District, Saguaro National Park, 2009?2010

Natural Resource Data Series Nps/Sodn/Nrds?2011/183

National Park Service, Sarah E. Studd, Charyl L. McIntyre

82 pages • paperback

nonfiction history nature medium-paced