TY  - RPRT
TI  - Preliminary geologic maps of Newburyport West and East quadrangles, Massachusetts-New Hampshire
AU  - Andrew Fletcher Shride
PY  - 1976
DO  - 10.3133/ofr76488
UR  - https://pubs.usgs.gov/publication/ofr76488
ID  - ofr76488
ER  -