TY  - RPRT
TI  - The occurrence of oil and the distribution of Hexagenia (Ephemeroptera: Ephemeridae) nymphs in the St. Marys River, Michigan and Ontario
AU  - Jarl K. Hiltunen
AU  - Donald W. Schloesser
PY  - 1983
DO  - 10.2307/1467152
UR  - https://pubs.usgs.gov/publication/1000186
ID  - 1000186
ER  -