Moraine gravel on New Road, Portsmouth. Rockingham County, New Hampshire. 1918.
Dates
Date Taken
1918
Summary
Moraine gravel on New Road, Portsmouth; coarse material, fairly well rounded, with no sorting or stratification. Rockingham County, New Hampshire. Plate 10-B in U.S. Geological Survey. Professional paper 108. 1918.
Summary
Moraine gravel on New Road, Portsmouth; coarse material, fairly well rounded, with no sorting or stratification. Rockingham County, New Hampshire. Plate 10-B in U.S. Geological Survey. Professional paper 108. 1918.
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