USA, Pennsylvania, Montgomery, Right-hand side (farther from road) facing main trailhead off of Cathcart Road at the Crossways Preserve. Trailside on smaller path adjacent to main trail.
40.17585 -75.26844 +-3m.
Forest edge habitat near trail head
Carya tree 35m tall
Note that this could be C. laciniosa. Not sure if collected nut is from correct tree.