@inbook{c2a19e7177b340a7adb3e75bcddb7e7b,
title = "Geologic history and paleogeography of Paleozoic and early Mesozoic sedimentary rocks, eastern Grand Canyon, Arizona",
author = "Blakey, {Ronald C.} and Middleton, {Larry T.}",
year = "2012",
month = dec,
day = "1",
doi = "10.1130/2012.2489(05)",
language = "English (US)",
isbn = "9780813724898",
series = "Special Paper of the Geological Society of America",
pages = "81--92",
editor = "Michael Timmons and Karl Karlstrom",
booktitle = "Grand Canyon Geology",
}