1964 American Cyanamid explosion

Edinburg is an unincorporated community in Lawrence County, Pennsylvania, United States. The community is located along Pennsylvania Route 551 near U.S. Route 224 on the south bank of the Mahoning River, 4.7 miles (7.6 km) west of New Castle. Edinburg has a post office with ZIP code 16116.

The McClelland Homestead is a historic farm in western Lawrence County, Pennsylvania, United States. Located along McClelland Road northeast of Bessemer,: 13  the farm complex includes buildings constructed in the middle of the 19th century. It has been designated a historic site because of its well-preserved architecture.

Mohawk Area School District is a rural, public school system in Bessemer, Lawrence County, Pennsylvania, United States. Mohawk Area School District encompasses approximately 101 square miles (260 km2). It is the largest school district in Lawrence County by area, serving the boroughs of Bessemer, New Beaver and SNPJ, as well as the townships of Mahoning (except for the southeastern part), Little Beaver, and North Beaver. According to 2010 federal census data, it serves a resident population of 10,850 people. In 2009, the district residents’ per capita income was $17,048, while the median family income was $42,756. In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010. Mohawk Area School District operates 2 schools, Mohawk Elementary School and Mohawk Junior Senior High School. The high school was built in 1963. In 1983, the elementary was constructed in an adjacent space of land to the high school. The district produces a newsletter/newspaper called "The Mohawk News" that is delivered to every addressee in the school district every season. The Lawrence County Career and Technical Center is an alternative facility for students in grades 10–12.

Mount Jackson is a small village in Lawrence County, Pennsylvania.

Oakwood is an unincorporated area and census-designated place (CDP) in Lawrence County, Pennsylvania, United States. The population was 2,270 at the 2010 census.

Union Township is a township in Lawrence County, Pennsylvania, United States. The population was 4,997 at the time of the 2020 census, a decline from the figure of 5,190 as of 2010.

Frizzleburg is an unincorporated community and census-designated place (CDP) in Lawrence County, Pennsylvania, United States. The population was 602 at the 2010 census.

Mahoning Township is a township in Lawrence County, Pennsylvania, United States. The population was 2,709 at the time of the 2020 census, a decline from the figure of 3,083 tabulated in 2010.