Q.Problems With White Pine Trees
I have several White Pine Trees but one has an issue On the north side, facing an open field, appears to have a fungus or mold?

Certified GKH Gardening Expert
Unfortunately, your photo did not come through. Your local extension service may offer some assistance with your Pine. This link will help you to find the closest to you: https://www.gardeningknowhow.com/extension-search
Here are some articles that you will find useful, as well:
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/plant-problems/disease/using-lime-sulfur-in-gardens.htm
https://www.gardeningknowhow.com/ornamental/trees/pine/white-pine-tree-information.htm