Predictions of Oil or Gas Potential by Near-Surface Geochemistry

V.T. Jones and R.J. Drozd The American Association of Petroleum Geologists Bulletin V.67, No. 6 (June 1983), P.932-952

Figure 19.  Cross section of Ryckman Creek field, Wyoming (after Powers, 1977).  Producing part of Nugget Sandstone is cross-hatched