TY  - RPRT
TI  - Our changing landscape; Indiana Dunes National Lakeshore
AU  - Catherine L. Hill
AU  - B.J. Ryan
AU  - B.A. McGregor
AU  - Marie Rust
PY  - 1991
DO  - 10.3133/cir1085
UR  - https://pubs.usgs.gov/publication/cir1085
ID  - cir1085
ER  -