Marksmanship tips from former National High Power and Long Range Champion Norm Anderson. This is a 51 minute video that covers alot of topics. It has valuable information.
Anderson's wind skills deserve some attention, he can help you to be more accurate without alot of math.
https://www.youtube.com/watch?v=3FCy4uFLhs4
Thanks Mike.
The wind class video.
https://www.youtube.com/watch?v=VbeXqNB_ijI
Combine Anderson with Roxburgh (and they are compatible). And you will be much happier with your wind skills.
https://www.youtube.com/watch?v=7j4qoGrj0UU