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1	Author:	Defenders of Wildlife	Requires cookie*
	Title:	Defenders of Wildlife Records 2000-2012 (bulk 2000-2007) ead
	Date(s):	2000-2012
	Abstract:	Environmental assessments reports 2000-2011 of various border security installations compiled by government agencies tasked with border security as well as reports from various business and academic institutions regarding social and economic conditions of the US-Mexico border region.
	Repository:	University of Arizona Libraries, Special Collections
	Subjects:	Environmental degradation--Mexican-American Border Region. \| Border security. \| Boundaries, boundary markers.
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2	Author:	Humphrey, Robert R.	Requires cookie*
	Title:	Robert R. Humphrey Photograph Collection 1949-1963 ead
	Date(s):	1949-1963
	Abstract:	This collection is comprised of negatives and prints of vegetation types and landscape scenes taken by Robert R. Humphrey between 1949 and 1963. The collection also contains some reproduction photographs from “Views of the Monuments and Characteristic Scenes along the Boundary between the United States and Mexico. West of the Rio Grande. 1892-95”, published by the International Boundary Commission, United States and Mexico.
	Repository:	University of Arizona Libraries, Special Collections
	Subjects:	Botany—Southwest, New \| Forage plants—Arizona \| Grasses—Arizona \| Grasslands \| Phytogeography—Arizona \| Phytogeography—Mexican-American Border Region \| Plant ecology \| Plant ecology—Mexican-American Border Region \| Prairies \| Range management—Arizona \| Rangelands—Arizona \| Vegetation boundaries—Arizona \| Vegetation dynamics—Mexican-American Border Region
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