Iowa StatutesCHAPTER 457A - CONSERVATION EASEMENTS457A.1 - ACQUISITION BY OTHER THAN CONDEMNATION.457A.2 - DEFINITIONS.457A.3 - RECORDING.457A.4 - STATEMENT OF EXTENT.457A.5 - RULE OF CONSTRUCTION.457A.6 AND 457A.7457A.8 - PRIVATELY HELD EASEMENTS.