- Betsy A. Weld, Donald B. Hoover, Geological Survey (U.S.), Harold Edgar Thomas, Helen Laura Foster, James A. McConaghy, Jim S. Hinds, John Emery Wilson, John R. Ritter, Luna Bergere Leopold, Norman J. Page, Robert Sprague Jones, Thomas P. Miller, J. A. Dietrich, Leonard Benjamin Riley, Margaret S. Griffin, Michael Fleischer, Raymond L. Elliott, Richard R. Cunningham, George W. Brett, Joseph Haffty
· 1969
A subsurface and surface study of the coal-bearing Fruitland Formation, the Kirtland Shale, and associated rocks, with emphasis on the relation between regional stratigraphy and the distribution, thickness, and quality of coal.
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"Lithostratigraphic and biostratigraphic studies confirm the persistence of four Campanian formations from Northern New Jersey to Northern Delaware and Eastern Maryland".
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Jim S. Hinds, Arthur H. Lachenbruch, Arthur Maine Piper, Elmer M. Schell, Geological Survey (U.S.), Harold Edgar Thomas, James A. McConaghy, James Haskell Irwin, John R. Ritter, Nathan Wood Bass, Norman J. Page, Robert Sprague Jones, Warren W. Wood, Henry Lee Smith, J. Howard McCarthy, K. P. Moore, Leonard Benjamin Riley, Richard R. Cunningham, Robert B. Morton, George Henry Horn, Joseph Haffty· 1968
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