Author:

Guthrie,J.M.;Pratt,L.M.

Year:

1994

Title:

Geochemical indicators of depositional environment and source-rock potential for the Upper Ordovician Maquoketa Group, Illinois Basin.

Reference:

Guthrie,J.M. et al. (1994) Geochemical indicators of depositional environment and source-rock potential for the Upper Ordovician Maquoketa Group, Illinois Basin. AAPG, Bulletin Vol. 78 # 5 P. 744- 757

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