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The Great Experiment in ConservationJon D. Erickson, William F. Porter og 1 annenPocketEngelskLegg i handlekurvNettlager
Water in North American Environmental HistoryMartin V. MelosiPocketEngelskDel av serien Themes in Environmental HistoryLegg i handlekurvNettlager
Ancient Engineering: Selective Ceramic Processing in the Middle Balsas Region of Guerrero, MexicoJennifer MeanwellPocketEngelskDel av serien Paris Monographs in American ArchaeologyLegg i handlekurvNettlager