Julio L. Betancourt

2 books

Requiem for the Santa Cruz: An Environmental History of an Arizona River by R. Roy Johnson, Robert H. Webb, Julio L. Betancourt

Requiem for the Santa Cruz: An Environmental History of an Arizona River
R. Roy Johnson, Robert H. Webb, Julio L. Betancourt

279 pages • missing pub info (editions)

nonfiction nature science informative reflective medium-paced

nonfiction nature science informative reflective medium-paced

Requiem for the Santa Cruz: An Environmental History of an Arizona River by R. Roy Johnson, Robert H. Webb, Julio L. Betancourt

Requiem for the Santa Cruz: An Environmental History of an Arizona River

R. Roy Johnson, Robert H. Webb, Julio L. Betancourt

279 pages • missing pub info (editions)

nonfiction nature science informative reflective medium-paced

nonfiction nature science informative reflective medium-paced

Packrat Middens: The Last 40,000 Years of Biotic Change by Julio L. Betancourt

Packrat Middens: The Last 40,000 Years of Biotic Change
—
Julio L. Betancourt

Packrat Middens: The Last 40,000 Years of Biotic Change
Julio L. Betancourt with Thomas R. Van Devender, Paul S. Martin

478 pages • first pub 1990 (editions)

Packrat Middens: The Last 40,000 Years of Biotic Change by Julio L. Betancourt

Packrat Middens: The Last 40,000 Years of Biotic Change
—
Julio L. Betancourt

Packrat Middens: The Last 40,000 Years of Biotic Change

Julio L. Betancourt with Thomas R. Van Devender, Paul S. Martin

478 pages • first pub 1990 (editions)

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