TY  - RPRT
TI  - Water sediment, and nutrient budgets, and bathymetric survey of Old and New Gillespie Lakes, Macoupin County, Illinois, May 1996-April 1997; with a discussion of lake-management practices
AU  - Gary P. Johnson
PY  - 1999
DO  - 10.3133/ofr9969
UR  - https://pubs.usgs.gov/publication/ofr9969
ID  - ofr9969
ER  -