Schoonmaker Reef
A landmark in Wauwatosa, in the middle of things: 88 places within a five-minute walk. One of 40 history & landmarks in Wauwatosa.















On the National Register since 1997

Schoonmaker Reef
Schoonmaker Reef was added to the National Register of Historic Places on Sep 25, 1997, and named a National Historic Landmark the same day. It is significant for its science at the national level.
Schoonmaker Reef, also known as Wauwatosa Reef, Schoonmaker Quarry, Raphu Station or Francey Reef is a 425 million year-old fossilized reef in Wauwatosa, Wisconsin. It was discovered in 1844 by Increase A. Lapham and Fisk Day on the site of a quarry owned by the Schoonmaker family. Geologist James Hall declared its significance in 1862. It was the first ancient reef described in North America, and among the first de…
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88 places within a five-minute walk of Schoonmaker Reef.
In Wauwatosa
The nearest neighbor is Timberland Fence Mfg., 2 min walk away.
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Some place details from Overture Maps (CDLA-Permissive-2.0). Changes go live once a second neighbor confirms them. Building history: National Park Service, National Register of Historic Places.