https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12286374![Tamping down gravel fill. Ridge well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIyLTA0L2xvYzIwMTc4MTk5MjktaW1hZ2UuanBn.jpg)
![Tamping down gravel fill. Ridge well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIyLTA0L2xvYzIwMTc4MTk5MjktaW1hZ2UuanBn.jpg)
Tamping down gravel fill. Ridge well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.
Tamping down gravel fill. Ridge well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.
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