From Presidio to the Pecos River
Surveying the United States–Mexico Boundary along the Rio Grande, 1852 and 1853
$39.95 Hardcover


The 1848 treaty of Guadalupe Hidalgo that ended the Mexican-American War described a boundary between the two countries that was to be ascertained by a joint boundary commission effort. The section of the boundary along the Rio Grande from Presidio to the mouth of the Pecos River was arguably the most challenging, and it was surveyed by two American parties, one led by civilian surveyor M. T. W. Chandler in 1852, and the second led by Lieutenant Nathaniel Michler in 1853.

Our understanding of these two surveys across the greater Big Bend has long been limited to the official reports and maps housed in the National Archives and never widely published. The discovery by Orville B. Shelburne of the journal kept by Dr. Charles C. Parry, surgeon-botanist-geologist for the 1852 party, has dramatically enriched the story by giving us a firsthand view of the Chandler boundary survey as it unfolded.

Parry’s journal forms the basis of From Presidio to the Pecos River, which documents the day-to-day working of the survey teams. The story Shelburne tells is one of scientific exploration under duress—surveyors stranded in towering canyons overnight without food or shelter; piloting inflatable rubber boats down wild rivers; rising to the challenges of a profoundly remote area, including the possibility of Indian attack. Shelburne’s comparison of the original boundary maps with their modern counterparts reveals the limitations of terrain and equipment on the survey teams.

Shelburne's book provides a window on the adventure, near disaster, and true accomplishment of the surveyors’ work in documenting the course of the Rio Grande across the Big Bend region.

About The Author
Orville B. Shelburne received his PhD in Geology from the University of Wisconsin. He retired in 1992 as Manager of Mobil’s Worldwide Exploration and Production Services Center in Dallas.
David H. Miller, professor emeritus of history and former dean of the School of Liberal Arts, Cameron University, in Lawton, Oklahoma, is an expert on Western overland trails.

Reviews & Praise
“The agreement reached in the Treaty of Guadalupe Hidalgo of 1848, which ended the U.S. war with Mexico, required an accurate survey of the new international boundary between Mexico and the United States…From Presidio to the Pecos River by Orville B. Shelburne provides a detailed account of the survey parties, led by Marine Tyler Wickham Chandler in 1852 and Nathaniel Michler in 1853, which completed the mapping of this region… The greatest strengths of From Presidio to the Pecos River are its outstanding maps and illustrations. Throughout the book, Shelburne offers juxtaposed images of historical sketches alongside high-quality, present-day photographs, as well as comparisons of sections of the survey maps with present-day maps and aerial imagery. Any cartophile will be thoroughly impressed by the outstanding cartographic design displayed throughout Shelburne’s book.”--- Southwestern Historical Quarterly

Book Information
34 b&w illus., 23 maps, 3 tables
312 Pages
Hardcover 978-0-8061-6710-7
Kindle 978-0-8061-6791-6
e-pub 978-0-8061-6792-3
Published October 2020
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