Section 1.16 - Concurrent jurisdiction over lands and waters dedicated to national park purposes1. Concurrent legislative jurisdiction over crimes and offenses under the laws of the state of Iowa is ceded to the United States over and within all lands and waters within the state dedicated to national park purposes.2. The concurrent jurisdiction ceded by subsection 1 is vested upon acceptance by the United States by and through its appropriate officials and shall continue so long as the lands and waters within the designated areas are dedicated to national park purposes.3. The governor of the state of Iowa is authorized and empowered to execute all proper conveyances in the cession granted by this section, upon request of the United States by and through its appropriate officials.4. The state of Iowa retains concurrent jurisdiction, both civil and criminal, with the United States over all lands and waters affected by this section.