TY  - RPRT
TI  - Quaternary geologic map of the Boston 4 degrees x 6 degrees quadrangle, United States and Canada
AU  - W.B. Thompson
AU  - W.F. Chapman
AU  - R. F. Black
AU  - Gerald Martin Richmond
AU  - D.R. Grant
AU  - David S. Fullerton
PY  - 1991
DO  - 10.3133/i1420(nk19)
UR  - https://pubs.usgs.gov/publication/i1420(NK19)
ID  - i1420(NK19)
ER  -