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Contributions, Fall 1969, 8.2.2

In this issue:

  • The northern Gallatin Range, Montana, northwestern part of the Absaroka-Gallatin volcanic field
  • Environmental reconstruction from cross-stratification, an example from the pass peak formation (eocene), western wyoming
  • Preliminary gravity study of the Precambrian Sherman granite, Albany and Laramie counties, Wyoming
  • Pseudobrecciation in the valentine formation
  • Biostratigraphy of fluvial sediments of the upper wasatch formation in the northern green river basin, wyoming