Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean in 1853-6
Pacif. Railr. Rep.
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name recognized (= cited name):
720846 Opuntia sphaerocarpa Engelm. & J.M.Bigelow
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San Francisco Public Library, San Francisco, California, U.S.A.
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