Stensaas, Mark Sparky books & textbook
Rock Pickers Guide to Lake Superior's North Shore (North Woods Naturalist Guides)
Stensaas, Mark "Sparky" Kollath, Rick
Kollath-Stensaas Publishing /2000-06-01 Paperback / 48 Pages
isbn-10: 096737930X / isbn-13: 9780967379302
Winter Finches & Friends of North America: A Naturalist's Handbook (BirdNerd Natural History)
Stone Ridge Press /2015-07-07 Paperback / 96 Pages
isbn-10: 0990915816 / isbn-13: 9780990915812
