Tolland Center quadrangle, Massachusetts--Connecticut [cartographic material] : 7.5 minute series (topographic) / mapped, edited, and published by the Geological Survey ; State of Connecticut, Highway Department ; State of Massachusetts, Department of Public Works.
- Relief shown by contours and spot heights. "Contour interval 10 feet." "Control by USGS, USC&GS, Massachusetts Harbor and Land Commission, Massachusetts Geodetic Survey, and Connecticut Geodetic Survey." "Topography in Connecticut by planetable surveys 1944. Topography in Massachusetts by photogrammetric methods and by planetable surveys 1946. Aerial photographs taken 1942 and 1944. Revised 1958." "Revisions shown in purple compiled in cooperation with Connecticut Highway Department from aerial photographs taken 1969. This information not field checked." Includes quadrangle location map and conversion scales. "N42073-A1-TF-024." "DMA 6368 II SE--Series V814."
- The Survey
- Held by
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