291 N.W. 182 PANAMA SAVINGS BANK, Appellee, v. MARY B. ARKFELD et al., Appellants. No. 45143.Supreme Court of Iowa. April 2, 1940. MORTGAGES: Burden of proof — fraud — extending time on debt as 1 consideration. In an action by a bank to foreclose a mortgage on land, the defendants had the burden of proving […]