TY  - RPRT
TI  - Late Quaternary loess in northeastern Colorado: Part II - Pb isotopic evidence for the variability of loess sources
AU  - J. N. Aleinikoff
AU  - D.R. Muhs
AU  - R.R. Sauer
AU  - C.M. Fanning
PY  - 1999
DO  - 10.1130/0016-7606(1999)111<1861:lqlinc>2.3.co;2
UR  - https://pubs.usgs.gov/publication/70020931
ID  - 70020931
ER  -