The old cellar hole was barely visible, just a sunken rectangle in the forest floor. Over the decades, trees and underbrush had crowded in, filling the home’s foundations. Deep in the woods of Chester, Maine, the site — like many old homesteads in Maine — had been reclaimed by nature and forgotten. Then came Jay Robinson, a lifelong resident of the Katahdin region who’s fascinated with the past, and more specifically, digging it up. Since childhood, Robinson has been uncovering the locations of old settlements, sporting camps and farms.