TY  - RPRT
TI  - Contour map of the bedrock surface, Wallingford Quadrangle, Connecticut
AU  - F.P. Haeni
PY  - 1974
DO  - 10.3133/mf554a
UR  - https://pubs.usgs.gov/publication/mf554A
ID  - mf554A
ER  -