Download or read book Field Trip to the Jeffers Petroglyphs written by JoAn Bakker and published by Createspace Independent Publishing Platform. This book was released on 2015-06-17 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: This delightful illustrated children's book let's you follow a group of children as they tour the Jeffers Petroglyph site in Southern Minnesota. Contains full color illustrations and photographs, and a glossary organized by page number.