1901 Allis Chalmers Rock Crusher Historical Marker
3. 1901 Allis Chalmers Rock Crusher Marker. By TeamOHE, July 24, 2020. 4. 1901 Allis Chalmers Rock Crusher Marker Credits. This page was last revised on January 4, 2021. It was originally submitted on December 20, 2020, by TeamOHE of Wauseon, Ohio. This page has been viewed 83 times since then and 82 times this year.