Northwestern Bell Telephone Co. v. Hawkeye State Telephone Co. , 1969 Iowa Sup. LEXIS 773 ( 1969 )
Montana-Dakota Utilities Co. v. Northwestern Public Service Co. , 71 S. Ct. 692 ( 1951 )
Elk Run Telephone Co. v. General Telephone Co. of Iowa , 1968 Iowa Sup. LEXIS 893 ( 1968 )
Morrison-Knudsen Co. v. State Tax Commission , 242 Iowa 33 ( 1950 )
Spintman v. Chesapeake & Potomac Telephone Co. , 254 Md. 423 ( 1969 )