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).

Kopera, J. P. Embracing the digital revolution; issues of concern to geological surveys. Abstracts with Programs - Geological Society of America 41, 99 - 99 (2009).

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).

Mabee, S. B. & Kopera, J. P. Fracture characterization maps; a new type of geologic map for hydrogeologic applications. Abstracts with Programs - Geological Society of America 37, 145 - 145 (2005).

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).

Kopera, J. P., P. House, K., Schmidt, M. & Clark, R. Guiding principles for use of digital technology in geologic data collection and distribution. Abstracts with Programs - Geological Society of America 46, 75 - 75 (2014).

Kopera, J. P. The influence of ductile structure and rheological heterogeneity on brittle structures as exhibited by Avalonian granites in southeastern Massachusetts. Geological Society of America Abstracts with Programs 40, 3 (2008).

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. The Nashoba Terrane: A new tectonostratigraphy and shared structural styles with the Merrimack belt in Massachusetts. Geological Society of America Abstracts with Programs 47, 42 (2015).

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).

Thompson, P. J., Kopera, J. P. & Solway, D. R. Stratigraphy and structure of the rocks underlying Boston Harbor: new insights on the Cambridge argillite and associated diamictites and diabase sills. Geological Society of America Abstracts with Programs 44, 43 (2012).

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).

Williams, M. L., Jercinovic, M. J., Mahan, K. & Kopera, J. P. Microprobe monazite geochronology; new refinements and new tectonic applications. Abstracts with Programs - Geological Society of America 35, 22 - 23 (2003).

Kopera, J. P., Williams, M. L. & Jercinovic, M. J. Monazite geochronology of Proterozoic quartzites; a powerful tool for understanding reactivation of continental lithosphere in the Southwestern United States. Abstracts with Programs - Geological Society of America 34, 26 - 26 (2002).

Kopera, J. P., Williams, M. L. & Jercinovic, M. J. Monazite geochronology of the Ortega Quartzite: documenting the extent of 1.4 Ga tectonism in northern New Mexico and across the orogen. Abstracts with Programs - Geological Society of America 34, 10 - 10 (2002).

Kopera, J. P., Williams, M. L. & Jercinovic, M. J. Monazite geochronology of the Proterozoic Ortega Quartzite; documenting the extent of 1.4 Ga tectonism in the Tusas Range and beyond. New Mexico Geology 24, 59 - 59 (2002).

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).