Hyperlinks to valuable PDF publications for identification:
Guide to Fossil Collecting in Minnesota – 39 pages, 1965
http://conservancy.umn.edu/bitstream/57228/1/MGS_ES_1.pdf
Common Paleozoic Fossils of Wisconsin – 39 pages, 2002, very good reference
http://wisconsingeologicalsurvey.org/pdfs/espdf/es45.pdf
Guide to Michigan Fossils – 9 page overview
http://www.michigan.gov/documents/deq/GIMDL-PA03_216189_7.pdf
Guide for Beginning Fossil Hunters – 40 pages, Illinois, oldie but goodie
https://www.ideals.illinois.edu/bitstream/handle/2142/45048/guideforbeginnin04coll.pdf?sequence=2
Fruitbats PDF Library Table of Contents on thefossilforum.com
In the Documents Forum of thefossilforum.com you will see a lot of Fruitbats pdf library with hyperlinks to nearly everything. The table of contents is pinned and here:
http://www.thefossilforum.com/index.php?/topic/14728-fruitbats-pdf-library-table-of-contents/
Link to PDFs on almost anything and everything you would ever want to know about any Phylum of fossils from around the world! Identifying shark teeth? He’s got it! Dinosaurs galore! Fruitbat collects knowledge!