Robinson, G.R., Jr. and Ayuso, R.A., 2004, Use of spatial statistics and isotopic tracers to measure the influence of arsenical pesticide use on stream sediment chemistry in New England, USA. Applied Geochemistry, v. 19, no. 7, pp. 1097-1110.
USGS Factsheet, FS051-03
Arsenic Concentrations in Private Bedrock Wells in Southeastern New Hampshire