TY  - BOOK
AU  - Peterson,Reed H.
TI  - Microfossils of the upper Cretaceous of northeastern Utah and southwestern Wyoming,
T2  - Utah.  Geological and Mineralogical Survey.  Bulletin 47.  Contributions in micropaleontology,
AV  - QE169 .A3 no. 47
PY  - 1953///
CY  - [Salt Lake City]
KW  - Micropaleontology
KW  - Paleontology
KW  - Utah
KW  - Wyoming
KW  - Cretaceous
N1  - Errata slip inserted; Bibliography: p. 153-158
ER  -