TWENTY-EIGHTH ANNUAL MEETING. oil 
Kansas river up Blacksmith and Mission creeks two-thirds the way to Dover, 
and at Auburn. 
17. Writarp SHaLe.—This shale is 55 feet thick, and is exposed down Big 
and Little Soldier creeks from Jackson county to the Kansas river, and from the 
Kansas river to Dover; also southwest of Auburn and southwest of Burnett’s 
Mound. 
18. CHocouaTE Limestone (Swallow).*—A limestone 7 to 10 feet thick, choco- 
late brown, sometimes lighter, and containing great quantities of Musilina cylin- 
drica Fischer. This is the most easily recognized limestone in the county, often 
forming escarpments 50 to 100 feet high. It withstands weathering remarkably 
well, and is used quite extensively for stone walls. It would probably prove valu- 
able as a building stone. It appears on the top of the hill at Auburn and to the 
southwest; also from Dover to the Kansas river, and from the Kansas river up 
the two Soldier creeks to Jackson county. It also appears along the base of the 
hills that border the Kansas bottom a few miles west of Rossville. 
19. Dover SHALE AND SANDsSTONE.—This shale is 85 feet in thickness, very 
arenaceous in texture, varying in color from a light yellow to a deep brownish red, 
containing much argillaceous sandstone which is exposed on the road east of 
Dover. It is nearly non-fossiliferous. It appears near Dover and southwest, and 
in the northwest part of the county. 
20. Dover LimestonEe.—This limestone is four feet to less in thickness, ap- 
pearing near Dover and to the southwest, and in the northwestern portion of the 
county. 
21. RossviILLE SHALES AND SANDSTONE. —About 100 feet of shales and sand- 
stones (soft) of various colors, nearly non-fossiliferous; contains occasional 
streaks of limestone. Localities as before. 
PALEONTOLOGY. 
Following is a list of the fossils of the county so far as known. The numerals 
represent the strata in which they are found as numbered in the text. Doubtful 
species are queried (?). Liberal allowance must be made for lack of literature 
in determination. 
Lophophyllum proliferum, McChes. 2, 4, 7, 8, 18. 
Undetermined, 2. 
Archeocidaris agassizi, Gein. 2, 4, 8. 
Campophyllum torquium, Owen, 8. 
Delocrinus hemisphericus, ( ), 7(S. A. Miller’s identity). 
Fenestella limitaris, Ulr. ? 4*, 8*. 
Fenestella sevillensis, Ulr. 4*, 8*. 
Fenestella compressa, Uir. 4*, 8*. 
Fenestella modesta, Ulr. ?? 4*, 8*. 
Polypora spiniodata, Ulr. ? 4*, 8*. 
Rhombopora varius, Ulr. 4*, 8*. 
Rhombopora lepidodendroides, Meek, 4. 
Synocladia biserialis, Swall. 4. 
Streblopora nicklesi, Ulr. 4*, 8*. 
Stenopora carbonaria, Ulr. 4*, 8*. 
Stenopora carbonaria var. conferta, Ulr. ? 4*, 8*. 
* Prelim. Rep. Geol. Surv. Kan., 1868, p.19. Geographical names have been applied as far as 
possible to all strata; but this name and that of the “Spring Rock” are quite appropriate and 
not liable to be confused with anything else in this section, and hence they are left. 
