TY  - RPRT
TI  - Last glacial loess sedimentary system of eastern Nebraska and western Iowa
AU  - Joseph A. Mason
AU  - E. Arthur Bettis
AU  - Helen M. Roberts
AU  - Daniel R. Muhs
AU  - R. M. Joeckel
PY  - 2006
UR  - https://pubs.usgs.gov/publication/70228818
ID  - 70228818
ER  -