First lighter than air craft to fly over Minneapolis, pilot, Roy Knabenshue.Photograph Collection 1907Location no. HE1.1 r14Negative no. 28574 (via MHS)

First lighter than air craft to fly over Minneapolis, pilot, Roy Knabenshue.
Photograph Collection 1907
Location no. HE1.1 r14
Negative no. 28574

(via MHS)

Notes, June 19, 2008