TY  - RPRT
TI  - Map showing location of sand, gravel, and till pits in Ellington quadrangle, Connecticut
AU  - Roger B. Colton
AU  - Michael J. Mallory
PY  - 1968
DO  - 10.3133/ofr6956
UR  - https://pubs.usgs.gov/publication/ofr6956
ID  - ofr6956
ER  -