Hemker, Missouri

Grubville is an unincorporated community in western Jefferson County, Missouri, United States. It is located approximately one-half mile east of the Jefferson/Franklin County line. Missouri routes WW and Y meet at the community and Route 30 passes approximately one mile to the north. Nearby communities include Dittmer and Morse Mill to the east and Lonedell and Luebbering to the west in Franklin County. Jones Creek flows from the east side of the community to its confluence with Big River approximately five miles to the east.A post office called Grubville has been in operation since 1853. The community was named after the occupation of a local "grubber" (i.e. post hole digger).

Calvey (also spelled Calvy) is an extinct town in Franklin County, in the U.S. state of Missouri.A post office Calvy was established in 1854, and remained in operation until 1908. The community most likely took its name from Calvey Township.

Oermann is an unincorporated community in western Jefferson County, in the U.S. state of Missouri. The community is located on Missouri Route 30 approximately two miles northeast of Grubville and two miles southwest of Dittmer.

Calvey Township is an unincorporated township in Franklin County, in the U.S. state of Missouri. Calvey Township was established in 1821, and named after Calvey Creek.

Dittmer is an unincorporated community in western Jefferson County, Missouri, United States. It is located on Route 30 southwest of Cedar Hill.The community's namesake is William Dittmer, an early postmaster who established a post office called Dittmer's Store in 1870. An 1891 railroad map calls the community "Dittmer's Store." It was officially named Dittmer in 1899.Today, Dittmer is home to the Vianney Renewal Center, a treatment center for Catholic clergy with sexual or other disorders.

Don Robinson State Park is a public recreation area covering more than 800 acres (320 ha) in Jefferson County, Missouri. Located in the upper LaBarque Creek watershed, the state park's rugged landscape includes sandstone box canyons, shelter caves, cliffs, glades and upland and bottomland forests. The land was bequeathed to the state by businessman Don Robinson following his death in 2012. Robinson started acquiring parcels in the 1960s and stopped when he realized his ambition of amassing a holding the same size as New York City's Central Park. The park opened to the public in 2017. It features the stone house where Robinson began living in 1978 as well as two hiking trails and a picnicking area.

Robertsville is an unincorporated community in eastern Franklin County, Missouri, United States. It is located approximately six miles (10 km) southwest of Pacific on Missouri Route O and is home to the 1,225-acre (4.96 km2) Robertsville State Park.

Catawissa is a small unincorporated community in Franklin County, Missouri, United States, on the St. Louis & San Francisco Railroad, 39 miles from St. Louis and four miles south-southwest of Pacific. It is located at the junction of Route N and Route O, southwest of Pacific. Winch Creek flows past the eastern margin of the community.Catawissa was laid out in 1858, and most likely was named after Catawissa, Pennsylvania. A post office called Catawissa has been in operation since 1860.

Turkey Creek is a stream in Washington County in the U.S. state of Missouri. It is a tributary of Ditch Creek. Turkey Creek, historically called "Turkey Branch", was so named on account of wild turkeys in the area.

Robertsville State Park is a public recreation area bordering the Meramec River in unincorporated Robertsville in Franklin County, Missouri. The state park's 1,225 acres (496 ha) include a boat launch, campground, playground, picnic shelters, and the Spice Bush and Lost Hill hiking trails. The land was once owned by Edward James Roberts, who moved to the area at age 14 in 1831.

Cedar Hill Lakes is a village in Jefferson County, Missouri, United States. The population was 203 at the 2020 census.

Moselle Iron Furnace Stack is a historic iron furnace stack located near Moselle, Franklin County, Missouri. It was built in 1848-1849 by the Moselle Iron Furnace (1850-1854), and later operated as the Furnace of the Franklin Iron Mining Co. (1855-1859), and Moselle Iron Company (1874-1875). It is 31 feet high and constructed of cut stone blocks. The furnace was closed in early June 1875.: 3–4 It was listed on the National Register of Historic Places in 1969.