TY  - BOOK
AU  - Beus S S
AU  - Rawson R R ed.
TI  - Characteristics of the Supai Group in Grand Canyon
U1  - 551.75 
PY  - 1979///
CY  - Arizona
KW  - Carboniferous stratigraphy
N1  - Reprinted from Carboniferous stratigraphy in the Grand Canyon country Northern Arizona and Southern Nevada
ER  -