ISBN 9781493700097 books & textbook
Terrestrial Vegetation and Soils Monitoring in the Rincon Mountain District, Saguaro National Park, 2008?2009 (Natural Resource Technical Report NPS/SODN/NRDS?2010/118)
Hubbard, J. Andrew Studd, Sarah E. McIntyre, Cheryl L. National Park Service
CreateSpace Independent Publishing Platform /2010-12-31 Paperback / 148 Pages
isbn-10: 149370009X / isbn-13: 9781493700097
