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During the past two decades and under the auspices of the U.S. Army Corps of Engineers and the National Park Service, researchers have thoroughly documented the legislative, construction, and engineering history of the Monongahela River navigation sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8d4bb7c7700d30c848a1600cb2d0a06
https://doi.org/10.21236/ada579677
https://doi.org/10.21236/ada579677
