- One book per person.
- To complete the passport, participants must obtain a stamp for 88 state parks and historic sites between April 9, 2016 and Oct. 31, 2017. (Click here for a list of locations.)
- Completed passports must be presented to staff at any state park/historic site for verification by close of business on Tuesday, Oct. 31, 2017.
- Missouri Department of Natural Resources employees may participate but are not eligible for the grand prize drawings.
- Only human participants can receive prizes. (Sorry Big Foot!)