21. Smyth, Kemp, and Cushing's field work in the Adirondacks yielded detailed geologic maps of the challenging region. 22. According to the Kentucky Geologic Map Information Service, the foundation is resting on St . Louis Limestone. 23. However, this is only informal, and none of the USGS geologic maps of the Moon use this notation. 24. The new Bedrock Geologic Map of Rhode Island gives more details of what underlies the unconsolidated surface material. 25. "Geologic maps are the foundation of hazard maps, " said Derek Booth, Troost's UW colleague on the project. 26. Souther created a geologic map the following year that displayed the locations of the volcanoes and the regional terrain. 27. This resulted in the recreation of a geologic map that showed the regional terrain and locations of the volcanoes. 28. But beginning in the 1980s, Salo and his team began putting together a single geologic map of the entire basin. 29. A bedrock geologic map was published by Kolata et al ., 2005 and is available at the Illinois State Geological Survey. 30. Following World War II, renewed emphasis on geologic mapping led to the publication of county geologic maps between 1957 and 1960.
