Search Results - Johnson, L. A.

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  1. 1

    Properties of Utah tar sands-south Seep Ridge area, P.R. Spring deposit / by Johnson, L. A.

    Published 1975
    Unknown
  2. 2

    Properties of Utah tar sands--Asphalt Wash area, P. R. Springdeposit / by Johnson, L. A.

    Published 1975
    Book