Prairie Oil and Gas Company. Nos. 75-80, in Commerce Court, pipe line cases, Prairie Oil & Gas Co. v. United States; Uncle Sam Oil Co. v. [same]; Robert D. Benson et al. [doing business under partnership name of Tidewater Pipe Company, Limited] v. [same]; Ohio Oil Co. v. [same]; Standard Oil Co. v. [same]; Standard Oil Co. of Louisiana v. [same]; brief for United States discussing construction and constitutionality of so-called pipe line amendment.

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