Olson, Sigurd F.,  1899-1982. <br/><br/>
Open horizons  [electronic resource] / 
Sigurd F. Olson ; illustrated by Leslie Kouba. 
 - 1st University of Minnesota ed. 
 - Minneapolis :  University of Minnesota Press,  1998. 
 - xv, 227 p. :  ill. 
 - The Fesler-Lampert Minnesota heritage book series .
 - Fesler-Lampert Minnesota heritage book series. .
<br/><br/> Originally published: 1st ed. New York : Knopf, 1969. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--North America.<br/>Natural history--Outdoor books.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QH102  / .O39 1998 
<br/><br/><label>Dewey Class. No.: </label>508.7