Also known as Roadcut on Mississippi State Route 30, 3 miles E of Pleasant Ridge School on E-facing slope of Sweden Hill at Graham, Union Co., Miss.

Where: Union County, Mississippi (34.5° N, 89.0° W: paleocoordinates 38.1° N, 66.3° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Nostoceras alternatum ammonoid zone, Coon Creek Tongue Member (Ripley Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• Ammonoid zone from Cobban 1974 and Cobban and Kennedy 1995. upper Coon Creek

• group of beds-level stratigraphic resolution

Environment/lithology: marine; glauconitic, gray, silty, calcareous sandstone

Size class: mesofossils

Collection methods: USGS 25413: N.F. Sohl 1950

Primary reference: N. F. Sohl. 1960. Archeogastropoda, Mesogastropoda and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations. US Geological Survey Professional Paper 331:1-151 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7595: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)