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This data release consists of data (in four tables) for assessing the time scales of arsenic variability in three production wells in New Hampshire; tables that describe the data fields in the data tables are also included in the data release. High-frequency (every 5 to 15 minutes) and bi-monthly water-quality monitoring of a bedrock-aquifer domestic well (425651070573701), a bedrock-aquifer public-supply well (425400070545401), and a glacial-aquifer public-supply well (425311070535801) was completed between 2014 and 2018. Concentrations of arsenic and other geochemical constituents and dissolved gases, as tracers of groundwater age, were measured on a bimonthly basis; physicochemical data, including specific conductance,...
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Moraine gravel on New Road, Portsmouth; coarse, partly rounded material with rude stratification. Rockingham County, New Hampshire. Plate 10-A in U.S. Geological Survey. Professional paper 108. 1918.
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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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West side of inner slope of Newington moraine on bay side road in Newington; the flat surface in the foreground is sandy marine clay. Rockingham County, New Hampshire. Plate 8-A in U.S. Geological Survey. Professional paper 108. 1918.
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Wiggins Gravel pit Portsmouth; shows undulating beds of clean, evenly stratified sand abutting against coarse, unsorted and unstratified gravel. Rockingham County, New Hampshire. Plate 11 in U.S. Geological Survey. Professional paper 108. 1918.
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Gravel pit on Middle Road, Portsmouth; shows stratified gravel, sand, and clay in the inner side of the moraine, containing here and there larger but little-rounded pebbles. Rockingham County, New Hampshire. Plate 12-A in U.S. Geological Survey. Professional paper 108. 1918.
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Wiggins Gravel pit Portsmouth; shows undulating beds of clean, evenly stratified sand abutting against coarse, unsorted and unstratified gravel. Rockingham County, New Hampshire. Plate 11 in U.S. Geological Survey. Professional paper 108. 1918.


    map background search result map search result map Gravel pit on Middle Road, Portsmouth. Rockingham County, New Hampshire. 1918. Wiggins Gravel pit Portsmouth. Rockingham County, New Hampshire. 1918. Wiggins Gravel pit Portsmouth. Rockingham County, New Hampshire. 1918. West side of inner slope of Newington moraine on bay side road in Newington. Rockingham County, New Hampshire. 1918. Moraine gravel on New Road, Portsmouth. Rockingham County, New Hampshire. 1918. Moraine gravel on New Road, Portsmouth. Rockingham County, New Hampshire. 1918. Data for Time Scales of Arsenic Variability and the Role of High-Frequency Monitoring at Three Water-Supply Wells in New Hampshire, USA Data for Time Scales of Arsenic Variability and the Role of High-Frequency Monitoring at Three Water-Supply Wells in New Hampshire, USA Gravel pit on Middle Road, Portsmouth. Rockingham County, New Hampshire. 1918. Wiggins Gravel pit Portsmouth. Rockingham County, New Hampshire. 1918. Wiggins Gravel pit Portsmouth. Rockingham County, New Hampshire. 1918. West side of inner slope of Newington moraine on bay side road in Newington. Rockingham County, New Hampshire. 1918. Moraine gravel on New Road, Portsmouth. Rockingham County, New Hampshire. 1918. Moraine gravel on New Road, Portsmouth. Rockingham County, New Hampshire. 1918.