First mention of DOLTANGLE
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DOLT Angle - Yosemite Climbing Association
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DOLT Angle - Yosemite Climbing Association
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Dolt tiny piton
c.late 1960s from: Paula Crenshaw 
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YCA Collection - Photo by Robert Olson
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DOLTPEG III Blank
Cast piton then blade is forged c.late 1960s From: Don Lauria 
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With the new Doltpeg III piton design, I wonder why Bill only put the letter "T" into the Dolt piton symbol on the pitons. Maybe it stood for "Trademark?"
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Four page DOLT info brochure
c.1969 Donated by: Michael Chessler 
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First mention of the DOLTJACK - Summit mag May 1967
The two wired DOLTJACKS are from Jim Bridwell. 
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Dolt Vertical pitons
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After Bill passed in December 1971, Don Lauria eventually took over the DOLT Company. Don was not creating Dolt products, but mainly selling off the left over stock. With all of the left over Dolt piton blanks, Don Lauria and Ken Boche forged the blades and made nut tools out of them calling them Dolt Nutcrackers.
Dolt advertisement - Summit magazine - May 1973
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Dolt advertisement - Summit magazine - May 1975
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The shortest Dolt Nutcracker shown in the photo is made of Titanium. Alloy titanium named Dolt Apollopeg. 20 were made overall c.1975. Donated by Don Lauria. The longest Dolt Nutcracker shown in the photo was donated by Terri Laine.
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