Kopera, J. P., Williams, M. L. & Jercinovic, M. J. Age-constraints on fabric reactivation in the Tusas Range, northern New Mexico, using electron-microprobe monazite geochronology; implications for the nature of regional approximately 1400 Ga deformation. Abstracts with Programs - Geological Society of America 34, 180 - 180 (2002).

McTigue, D. F. et al. Arsenic in central Massachusetts bedrock and groundwater. Abstracts with Programs - Geological Society of America 42, 216 - 217 (2010).

Mabee, S. B. & Hardcastle, K. C. Analyzing outcrop-scale fracture features to supplement investigations of bedrock aquifers. Hydrogeology Journal 5, 21 - 36 (1997).

Active mines and mineral plants in the US. at <http://tin.er.usgs.gov/mineplant/>

The American Geological Institute - News and Resources for geoscientists and teachers. at <http://www.agiweb.org/index.html>