Bert Loper

#	Item
1	winter 2003 volume 16 number 4 the journal of Grand Canyon River Guides, Inc Rudi Petschek photo Add to Reading List Source URL: www.gcrg.org Language: English - Date: 2012-01-14 06:42:25 Western United States Geography of Arizona Arizona Grand Canyon Colorado River Glen Canyon National Recreation Area Colorado Plateau Bert Loper Glen Canyon Dam Loper Kenton Grua Canyon
2	fall 2007 the journal of Grand Canyon River Guides, Inc volume 20 number 3 Susan Billingsley Add to Reading List Source URL: www.gcrg.org Language: English - Date: 2012-01-14 06:47:59 Grand Canyon Canyon Bert Loper Glen Canyon Dam Kenton Grua