So thankful everyone is OK! Sad news.
So this is something that frustrates me... I just looked at Foreflight and the sectional, those power lines are not depicted. But looking on maps.google.com and Google Earth you can see them if you zoom in far enough.
We've had a couple of accidents here in Alaska similar to this, and the Alaska Airmens association is fighting to make sure power lines and cables are depicted. Several examples have been found of crossings that were previously on the sectional are no longer shown even though they are still there.
Stay safe everyone.