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Overgrazing

Overgrazing on BLM land near Elgin, Arizona
Copyright © 1998 Mike Davidson

Class Field Trip Photos

Page installed on March 31, 1998
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To download any of these images in GIF format, Windows '95 and NT users need merely point to the image and click the right mouse button for a menu; Macintosh users with OS 8 will get a contextual menu with control-click; with System 7, by using some other procedure, depending on the browser.


The Professor

Dr. Leavitt explaining Sonoran desert biome

Proposed Mine 
Site

28,000 acres on hold; ASARCO cites low copper prices

Graduate Assistant

Graduate Assistant Melanie Lenart begins a trench

Acid Bottle

HCl causes limestone to fizz

Graduate Assistant

Graduate Assistant Lisa Verts with students

Students

On-the-road comfort at Audubon Research Ranch

The Digger

Digging within woody perennial encroachment

Doubt

Unrestricted grazing causes some doubt

Audience

Members of the audience

Eric

A serious scholar

Warmth

Ahh...warmth at last

Comparing Notes

Comparing notes

Pecan Grove

Pecan grove in Green Valley, Arizona

CAP Recharge

Pima Road CAP recharge project

World Court Huddle

World court huddles on transfer of surface water