TY  - RPRT
TI  - Management alternatives for the Gregory Landing Division, Mark Twain National Wildlife Refuge
AU  - J. E. Roelle
AU  - D. B. Hamilton
AU  - D.A. Asherin
PY  - 1990
UR  - https://pubs.usgs.gov/publication/70123792
ID  - 70123792
ER  -