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

Koteas, C. G. et al. Evidence for arsenic-mineralization in granitic basement rocks, Ayer Granodiorite, northeastern Massachusetts. Abstracts with Programs - Geological Society of America 42, 160 - 160 (2010).

Salamoff, S. A., Mabee, S. B., Kopera, J. P. & Wise, D. U. Fracture characterization of crystalline bedrock for groundwater investigations; an example from the Marlborough Quadrangle, Massachusetts. Abstracts with Programs - Geological Society of America 36, 113 - 113 (2004).

Mabee, S. B. & Kopera, J. P. Fracture patterns across two terrane boundaries in eastern Massachusetts; implications for regional groundwater flow and recharge. Abstracts with Programs - Geological Society of America 38, 434 - 434 (2006).

Kopera, J. P. et al. Geochemistry of gneisses and amphibolites in the Uchee Belt of western Georgia and eastern Alabama; an ACRES progress report. Abstracts with Programs - Geological Society of America 32, 31 - 31 (2000).

Mabee, S. B., Woodruff, J. D., Fellows, J. & Kopera, J. P. Landslides from Tropical Storm Irene in the Deerfield Watershed, western Massachusetts. Abstracts with Programs - Geological Society of America 45, 83 - 84 (2013).

Kopera, J. P. & Mabee, S. B. A new way of looking at, and mapping, bedrock; the hydrostructural domain map of the Ayer Quadrangle, northeastern Massachusetts. Abstracts with Programs - Geological Society of America 38, 166 - 166 (2006).

Kopera, J. P. & Massey, M. A. A structural framework for the Nashoba Terrane in eastern Massachusetts. Abstracts with Programs - Geological Society of America 45, 107 (2013).

Kopera, J. P., Mabee, S. B., Salamoff, S. A. & Hildreth, C. An update of geologic mapping in Massachusetts. Abstracts with Programs - Geological Society of America 36, 58 - 58 (2004).

P. House, K., Clark, R. & Kopera, J. P. Overcoming the momentum of anachronism; American geologic mapping in a twenty-first-century world. Special Paper - Geological Society of America 502, 103 - 125 (2013).