Pottstown Roller Mill

It provided flour to George Washington's Continental Army during the Revolutionary War.

[2][3] The mill's structure was improved in 1849 and again in 1856 when two brick stories were added to the original fieldstone building.

It then became "the roller mill of Jesse Ives ... that provided shelter for escaping slaves" as part of the Underground Railroad.

[6] It faced extensive flooding due to Hurricane Agnes in 1972 but served the community continuously despite major damages.

Although the mill no longer sold flour, "a post-Revolutionary War era water wheel turned by a race stream siphoned from the Manatawny still provide[d] most of the power to operate the mill.