Keystones aren’t the only stones indelible to Pennsylvania’s character. Limestone monuments marking each mile of the Mason-Dixon Line — a survey line dating back to the 1760s intended to resolve a ...

PALMYRA, Mo. -- Anyone who owns land in Marion County -- or anywhere in Missouri, for that matter -- should be grateful for a small army of surveyors who started placing large stones at strategic ...

Land survey monuments — small pins placed in cement statewide since the 1920s — are crucial in determining property lines. La Jolla land surveyors are accusing City of San Diego contractors of ...

Joe Napsha Sunday, Feb. 16, 2020 12:00 p.m. | Sunday, Feb. 16, 2020 12:00 p.m. A group of surveyors from Pennsylvania and Maryland starting this year plan to create a new record of what might be ...

This particular marker, about 40 miles north of Duluth, was set in July 1875, one of 25,500 corner points in St. Louis County. This spot was re-surveyed in 1971 and again in 1989, county records show.

GRAND ISLAND, Neb. — A band of surveyors recently went digging for history and direction and found it. About 30 members of the Professional Surveyors Association of Nebraska discovered two monuments ...

To honor the Lewis and Clark Expedition's contributions to mapping, the Society of Land Surveyors of Iowa has installed an engraved brass commemorative marker on the Sioux City Lewis and Clark ...

PITTSBURGH (AP) - A group of surveyors from Pennsylvania and Maryland starting this year plan to create a new record of what might be America’s most famous border: the Mason-Dixon Line. Members of ...