[6] The faces of the creek's gorges expose bands of shale overlain by limestone which yield numerous fossils dating from the middle to late Devonian Period.

[9] Eighteen Mile Creek is utilized by anglers seeking Lake Erie steelhead during their annual spawning runs that take place from mid-October to early May.

[13] The acquisition took place in collaboration with The Nature Conservancy and the Buffalo Niagara Riverkeeper, who together with the county aimed to raise $320,000 for the purchase.

[14] The newly purchased forest in the town of Concord joins other county lands protecting the creek's headwaters, helping to provide habitat for fish and wildlife in addition to improving drinking water quality within the region.

Over 1,000 acres (4.0 km2; 1.6 sq mi) of land near the creek's headwaters are protected by the county, and are accessible to the public for passive recreation such as hiking.