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Rachel Toner
Rachel Toner

Rachel Toner has been employed as a WSGS oil and gas geologist since March 2013. A native of Sheridan, Wyoming, she received B.S. and M.S. degrees in geology from the University of Wyoming. She has previously worked as a GIS/database analyst for an environmental and engineering firm, as a WSGS contract geologist, and in hydrology positions.

Her current work at the WSGS focuses on researching reservoir and well completion characteristics that explain production trends in the Powder River and Denver basins' stacked unconventional reservoirs. She also develops and maintains online GIS mapping platforms for Wyoming's oil and gas reservoir and infrastructure data.

Outside of work, Rachel enjoys traveling, playing tennis and softball, camping, and dogsledding with her four Siberian huskies.


►Selected Publications

Toner, R.N., and Campbell, E.A., 2017, Codell Sandstone oil production trends, Northern Denver Basin, Laramie County, Wyoming: Wyoming State Geological Survey Open File Report 2017-2, 40.

Toner, R.N., Lynds, R.M., Freye, A.M., and Sutherland, W.M., 2016, Preliminary geologic map of the Ervay Basin quadrangle, Natrona County, Wyoming: Wyoming State Geological Survey Open File Report 2016-3, scale 1:24,000.

Lynds, R.M., Toner, R.N., Freye, A.M., Sutherland, W.M., and Loveland, A.M., 2016, Preliminary geologic map of the Ervay Basin SW quadrangle, Natrona County, Wyoming: Wyoming State Geological Survey Open File Report 2016-4, 31 p, 1 pl., scale 1:24,000.

Toner, R.N., Lynds, R.M., and Stafford, J.E., 2016, Oil and gas map of Wyoming: Wyoming State Geological Survey Map Series 103, scale 1:500,000.

Frost, C.D., and Toner, R.N., 2004, Strontium isotopic identification of water-rock interaction and ground water mixing: Ground Water, v. 42, no. 3, p. 418-432.

Toner, R.N., Frost, C.D., and Chamberlain, K.R., 2003, Isotopic identification of natural vs. anthropogenic sources of Pb in Laramie basin groundwaters, Wyoming, USA: Environmental Geology, v. 43, no. 5, p. 580-591.

Toner, R.N., 2000, Sr and Pb isotopic investigations of aquifer systems in the Laramie and Bighorn basins, Wyoming: Laramie, University of Wyoming, M.S. thesis, 141 p.