357 N.E.2d 381 CINCINNATI NATURE CENTER ASSOCIATION, APPELLEE, v. BOARD OF TAX APPEALS, APPELLANT. No. 76-306Supreme Court of Ohio. Decided November 24, 1976. Taxation — Real property — Conservation center — Houses used as residences by employees — Exempt from taxation, when — R.C. 5709.121(B), applicable. Houses located on the tax-exempt property of a nonprofit […]