Your search United States of America, Plaintiff-appellee, v. Delta Development Company, Inc., John E. Pottharst, Jr.,ind., Etc., et al., Defendants-appellants, Andgetty Oil Company et al., Additionaldefendants-appellees.no. 71-1913 Summary Calendar.**rule 18, 5 Cir.; See Isbell Enterprises, Inc. v. Citizens Casualty Co. of New York et al., 5 Cir. 1970, 431 F.2d 409 did not match any document.