A fascinating story well told. Congratulations on the success! I suspect that it was very expensive.

Perhaps flying in a complete wing may have been more expedient?
I was witness to a similar event in 1970 (pre video camera mania days), with a different solution. Working as a river guide on the Middle Fork Salmon (I was trip leader), we were flying our pax in from Salmon to Indian Creek. As I was finishing boat rigging, I heard the first plane coming in and jogged (yeah, I could do that then

) up the ramp to watch the landing and greet the pax (as some of you will remember, my flying passion began with Carol Jarvis flying equipment to this same strip the year before).
It was a C206, piloted by some fixed wing jockey (I never knew his name) with more mountain hours than ten of us combined will never see, who, as I watched, landed centerline, veered right for some reason and caught the "curb" that defines the landing zone at Indian. He might have been going a bit fast because, when he hit the curb, the plane jumped up, tipped left, dropped down on the left wingtip, and ground looped.
An infinity of time before the plane stopped, I was pumping my 19 year old legs down the strip as fast as possible. Just as I got to the wreck the pilot door opened. The rear doors opened immediately thereafter, and folks started piling out. I'll never forget one of the female passengers puking into her brand new sun hat as she exited. The dust was still flying and I can see it today. The damage to the left wing was very much like that depicted in the video.
Nobody hurt, bags out. The 206 stopped off the runway to the left so the other planes could continue to ferry pax in. You can imagine the conversations that went on that morning. Including mine (as the only land bound witness) with the pilot and the Ranger, during which plans for flying the damaged plane out were discussed as I listened in awe.
The ground loop merely provided an interesting side story to the trip, which went off perfectly. Upon returning to Salmon to prep for the next flight to Indian Creek, I got the story of how the 206 was recovered from Carol.
They flew a bunch of coffee cans (remember when coffee came in cans?), a pop riveter, duct tape, a saw and a come-along in. With the saw they cut down a 3 inch pine and trimmed the branches off. Then they drove a stake in the ground, hooked up the come along and pulled the wing tip down to near level. They cut the cans open to make some sheet metal which they riveted to the leading edge, then took the pole they cut and duct taped it to the bottom of the leading edge of the wing. Somebody flew it out to Salmon.
OK, I never saw the actual repairs, and Jarvis
had pulled a fast one or two on me in the past (part of being a good teacher I think). All I
do know is that 8 days later, that wrecked 206 was gone from Indian Creek and instead was back in service for our remaining trips.
A couple of guys, a come along, and a lot of balls apparently got the job done.