[Banner image adapted from Steadman, DW and Martin, PS, "Extinction of Birds in the Late Pleistocene of North America" In Quaternary Extinctions: A Prehistoric Revolution, Martin PS and Klein RG. editors, Univ of Arizona press, Tucson, 1984.]
HISTORY
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San Pedro Valley Flora during the Pleistocene
Some Late Pleistocene, Now-Extinct Fauna of the Southwest
New Evidence on Pleistocene Extinctions and the Clovis/Folsom Cultural Transition
Archaeology of the San Pedro River Valley
An Ancient Native American Trail in the Cascabel Basin
Some Early Historic Maps of the San Pedro River Valley
Fr. Eusebio Kino's visits to the San Pedro (1692, 1695, 1697: the Eastern Sobaipuri and their fate)
Late Historic Maps of the San Pedro River Valley
From Cienegas to Gallery Forests: 19th- to 20th-Century Changes on the San Pedro River
Changing Sonoran Vegetation mid-19th century to 1960
Late History: Mary Taylor's Cascabel Account
Late History: San Pedro River/Hot Springs Canyon
From Desert to Sky Island: Forrest Shreve (1915) to Peter Warshall (2008)
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