Reader cjm got it right! It’s a sawdust containment shed. Here is the photo series:

Clue #8

Clue #7

Clue #6

Clue #5

Clue #4

Clue #3

Clue #2

Clue #1

Main Photo – What The Heck Is It?
Reader cjm got it right! It’s a sawdust containment shed. Here is the photo series:
Clue #8
Clue #7
Clue #6
Clue #5
Clue #4
Clue #3
Clue #2
Clue #1
Main Photo – What The Heck Is It?