United States of America, Chiefly in the Valley of the Rio Grande. Rio Grande Valley.
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Mexican Boundary Survey; Collected under the direction of Major W. H. Emory, Commissioner, chiefly in the Valley of the Rio Grande, below Doñana- by C.C. Parry, M.D., J.M. Bigelow, M.D., Mr. Charles Wright, and Mr. A. Schott.