EarthWorks Geospatial Catalog

The limestones (Middle Ordovician) of Jefferson County, New York [cartographic material] / John H. Johnsen.

Description
Relief shown by contours and spot heights. Depths shown by soundings. "Contour interval 10 feet." "Geologic mapping 1954-1956." Legend on "Southern portion" sheet. Location map on envelope. Text includes: "Analyzing and testing of samples" by Wayne E. Brownell. Date on text, 1971. Includes location and index maps, declination diagram and text.
Publisher
New York State Museum and Science Service, Geological Survey :
Year
1970-01-01T00:00:00Z
Held by
MIT
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