Citation Codes Equivalent Citations citation codes Docket Number No. 94-1843. See more information ... Smart Summary Please sign up to generate summary. OPINION EDGERTON SAND GRAVEL, INC. v. GENERAL CASUALTY COMPANY OF WISCONSIN ET AL. Sup. Ct. Wis. Certiorari denied. Reported below: 184 Wis. 2d 750, 517 N. W 2d 463.