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11
Date Created1939
DescriptionU.S. Department of the Interior Geological Survey map of the Park Ridge quadrangle in New York and north-eastern New Jersey. The New York portion is left blank as it is already depicted in the Ramapo...
Time PeriodThe Great Depression and World War II (1929-1945)
12
Date Created1940
DescriptionU.S. Department of the Interior Geological Survey map of the Ramsey quadrangle in New York and north-eastern New Jersey. The New York portion is left blank as it is already depicted in the Ramapo...
Time PeriodThe Great Depression and World War II (1929-1945)
13
Date Created1902
DescriptionGeological Survey of New Jersey showing approximately the area which would be submerged were the land to sink 50 feet. Volume 5, plate 49.
Time PeriodThe Emergence of Modern America (1890-1930)
14
Date Created1902
DescriptionGeological Survey of New Jersey showing approximately the area which would be submerged were the land to sink 100 feet. Volume 5, plate 48.
Time PeriodThe Emergence of Modern America (1890-1930)
15
Date Created1949
DescriptionMap of a U.S. Department of the Interior Geological Survey of the Pleasantville Quadrangle in Atlantic County, N.J. This sheet includes two insets for an index of boundaries and a depiction of...
Time PeriodPostwar Years (1945-1970)
16
Date Created1976-06
DescriptionThis cave map was surveyed in 1960 by Kittatinny Grotto and Northern New Jersey Grotto, State of New Jersey Bureau of Geology and Topography. It shows veins of mica shist, a dam and pressure tank,...
Time Period1970-1979
17
Date Created1976-06
DescriptionSurveyed in 1960 by Northern New Jersey Grotto, the map shows the main entrance, a cave within a cave, an anvil, columns, and a chimney. The map also notes an area where the cave was filled almost...
Time Period1970-1979
18
Date Issued1976-06
DescriptionThis map shows a diagramatic cross-section from the northwestern to the southeastern portions of the cave. It also shows the Talus slope as well as the entrance.
Time Period1970-1979
19
Date Created1976-06
DescriptionSurveyed in 1960 by Metropolitan Grotto, the map shows entrances and crawlways under shelves.
Time Period1970-1979
20
Date Created1976-06
DescriptionSurveyed in 1960 by Kittatinny Grotto and Northern New Jersey Grotto, the map shows rooms and different levels of the cave. It also features two insets: a regional geologic map and a geologic map of...
Time Period1970-1979