TY  - RPRT
TI  - Map showing ranges in elevation of land surface above mean sea level, Connecticut Valley urban area, central New England
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1979
DO  - 10.3133/i1074e
UR  - https://pubs.usgs.gov/publication/i1074E
ID  - i1074E
ER  -