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Robert Humphrey Forbes books & textbook

The Penningtons: Pioneers Of Early Arizona

Forbes, Robert Humphrey  Arizona Archaeological and Historical S  

Legare Street Press /2022-10-27 Hardcover / 50 Pages
isbn-10: 1016878664 / isbn-13: 9781016878661
   

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Certain Effects Under Irrigation of Copper Compounds Upon Crops (Classic Reprint)

Robert Humphrey Forbes  

Forgotten Books /2024-01-20 Paperback / 113 Pages
isbn-10: 1390346668 / isbn-13: 9781390346664
   

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Geology And Water Resources Of Sulphur Spring Valley, Arizona

C, Kelton F  Meinzer, Oscar Edward 1876-1948  Forbes, Robert Humphrey B 1867  

Palala Press /2015-12-14 Hardcover / 278 Pages
isbn-10: 134817479X / isbn-13: 9781348174790
   

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Certain Effects Under Irrigation of Copper Compounds Upon Crops; P1(12)

Forbes, Robert Humphrey 1867-1968  

Legare Street Press /2021-09-09 Paperback / 110 Pages
isbn-10: 101447888X / isbn-13: 9781014478887
   

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Irrigation in Arizona (Classic Reprint)

Robert Humphrey Forbes  

Forgotten Books /2018-08-24 Hardcover / 105 Pages
isbn-10: 0365793884 / isbn-13: 9780365793885
   

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Crabb's filibustering expedition into Sonora, 1857; 1952 [Leather Bound]

Forbes, Robert Humphrey  

Generic /2022-01-01 Leather Bound / 112 Pages

   

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“Collector’s Edition” Irrigation in Arizona Volume no.235 1911 [Premium Leather Bound]

Forbes, Robert Humphrey,United States. Office of Experiment Stations  

Rare Biblio /2024T Leather Bound / 104 Pages

   

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Canaigre / by Robert H. Forbes. Volume v.21(1896) 1896 [Leather Bound]

Robert Humphrey Forbes  

Generic /2018-01-01 Leather Bound / 52 Pages

   

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Le coton dans la vallée moyen du Niger. Essais du culture (1923-1924). Rapport du docteur R.-H. Forbes. 1926 [Leather Bound]

Forbes, Robert Humphrey,  

Generic /2022T Leather Bound / 158 Pages

   

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