Pg. 2748 (fig. 1). Dry Wood formation of Krebs group. Shown on northern Midcontinent composite stratigraphic section as Dry Wood (Drywood) formation. Includes Dry Wood coal at top. Underlies Bluejacket sandstone; overlies Rowe formation (new). Included in Krebs group. Age is Middle Pennsylvanian (Des Moines).
Source: US geologic names lexicon (USGS Bull. 1200, p. 1167).
Pg. 6. Referred to as Dry Wood [Drywood] coal cycle in Savannah formation of Krebs group. Age is Middle Pennsylvanian (Des Moines).
Source: US geologic names lexicon (USGS Bull. 1200, p. 1167).
Pg. 14 (fig. 5), 18 (fig. 7), 20 (fig. 9), 35. Drywood formation of Krebs group. At type section, Drywood (Dry Wood) consists of basal black shale, underclay, lenticular sandy shale, and thin coal horizon. Thickness about 5 feet. Overlies Rowe formation; underlies Bluejacket formation. Krebs group. Age is Middle Pennsylvanian (Des Moines).
Type locality: below spillway of the artificial lake on a tributary of Dry Wood Creek, in SE/4 NE/4 sec. 4, T. 32 N., R. 33 W., 1.5 mi west of Liberal, Barton Co., MO.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1167).
Pg. 22 (fig. 5), 38-39. Drywood formation. A formation in Krebs subgroup [informal] of Cherokee group. In southeastern Kansas, includes (ascending) basal dark shale containing lenticular limestone, thin irregular silty limestone and clay ironstone, underclay, and Dry Wood coal. Thickens from 6 to 8 feet in Crawford County to maximum of somewhat more than 15 feet in Cherokee County. Overlies Rowe formation; underlies Bluejacket formation. Age is Middle Pennsylvanian (Des Moines).
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Considered informal and should not be capitalized.]
Source: US geologic names lexicon (USGS Bull. 1200, p. 1167).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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