Farm Creek Section

	Farm Creek Section
	U.S. National Register of Historic Places
	U.S. National Historic Landmark
	Looking downstream along Farm Creek; the geological exposure is in the eroded hillside at left.
Nearest city	East Peoria, Illinois
Coordinates	40.6755°0′0″N 89.4898°0′0″W / 40.67550°N 89.48980°W
Area	15 acres (6.1 ha)
NRHP reference No.	91002039
Significant dates
Added to NRHP	February 6, 1992
Designated NHL	December 9, 1997

The Farm Creek Section, also known as the Farmdale Geologic Exposure, is a hillside near East Peoria, Illinois that clearly showed geological strata. It is nationally significant as one of the first exposed glacial stratifications in the United States to be scientifically documented. These Ice Age geological formations, with rock layers representing different periods of glaciation, had long been known and published in England, France, and Germany, but were not yet well known in North America. Geologist Frank Leverett discovered this exposed face of a hill with its clearly defined stratifications in 1879 and described and pictured it in his monograph, The Illinois Glacial Lobe, in 1899.

The Farm Creek publication gave a name to the Illinoian glaciation, the southernmost penetration of glacial ice into what was to become the Midwestern United States. It also helped formulate regional and national stratigraphic classifications and has figured prominently in the study and development of glacial geology.

A 15-acre (6.1 ha) area of the Farm Creek Section was declared a National Historic Landmark in 1997.^[2]^[3]

The site is on the south side of Farm Creek (a tributary of the Illinois River) in the Farm Creek Recreation Area, south of Illinois Route 8 (Washington St.) and between School Street and Bittersweet Road, and is accessible by following an unpaved road, part of which is an abandoned right of way formerly in use by the Toledo, Peoria and Western Railroad. The formation is largely covered by a modern soil layer. Some erosion has occurred in the time since its initial discovery, but the layers of strata are still readily discernible.^[3]

Approximate UTM border of Farm Creek Section^[3]
Point	Zone	Easting	Northing	Longitude/Latitude
A	16N	289700	4505760	40°40′33″N 89°29′18″W / 40.67592°N 89.48828°W / 40.67592; -89.48828 (Farm Creek Section point A)
B	16N	289700	4505620	40°40′33″N 89°29′18″W / 40.67592°N 89.48828°W / 40.67592; -89.48828 (Farm Creek Section point B)
C	16N	289460	4505640	40°40′29″N 89°29′28″W / 40.67478°N 89.49108°W / 40.67478; -89.49108 (Farm Creek Section point C)
D	16N	289440	4505820	40°40′35″N 89°29′29″W / 40.67640°N 89.49138°W / 40.67640; -89.49138 (Farm Creek Section point D)

References

^ "National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.
^ ^a ^b "Farm Creek Section". National Historic Landmark summary listing. National Park Service. Archived from the original on January 3, 2008. Retrieved October 8, 2007.
^ ^a ^b ^c Joanne Kluessendorf and Kira Badamo (August 20, 1991). "National Historic Landmark Nomination: Farm Creek Section / Farm Creek/Farmdale Geologic Exposure" (pdf). National Park Service. {{cite journal}}: Cite journal requires |journal= (help). Accompanying 3 photos, from c.1898 and 1991. (1.35 MB)

[nris-1] "National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.

[nhlsum-2] "Farm Creek Section". National Historic Landmark summary listing. National Park Service. Archived from the original on January 3, 2008. Retrieved October 8, 2007.

[nrhpinv2-3] Joanne Kluessendorf and Kira Badamo (August 20, 1991). "National Historic Landmark Nomination: Farm Creek Section / Farm Creek/Farmdale Geologic Exposure" (pdf). National Park Service. {{cite journal}}: Cite journal requires |journal= (help). Accompanying 3 photos, from c.1898 and 1991. (1.35 MB)

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Farm Creek Section

See also

References

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