Dickinson County Sec. 18, T. 12 S., R. 4 E

2 1/2 mi. N of Chapman, center of eastern line Measured By M.K. Elias, 1932 Remarks: V-11
	Unit No. Description Thickness   Luta Limestone Member   11 Limestone, white, porous, with remains of seaweeds 0.5 ft. 10 Mudstone, splittery, harder toward the top 3 ft. 9 Mudstone, flaggy 1 ft.   Cresswell Limestone Member   8 Limestone 0.5 ft. 7 Limestone, flaggy to splittery, with echinoid remains 3.5 ft. 6 Limestone 0.5 ft. 5 Limestone, with zone of flint nodules below the middle 1.5 ft. 4 Mudstone, splittery, with Myalina and other pelecypods 0.8 ft.   Grant Shale Member   3 Shale, with net of calcite veinlets 5 ft. 2 Shale 5 ft.   Stovall Limestone Member   1 Limestone almost entirely replaced by flint 2.5 ft.
Original Document Download an archival scan (file is 4-5 megs in size). View PDF version The Archive file you download contains a TIFF image compressed into a ZIP archive. Your browser may be already set up to decompress these files. Commercial software to perform this is available from PKWARE, Inc., the company that invented the format. A web page from a group of people creating shareware or public domain software is available at Info-ZIP. The TIFFs are 150-dpi archival-quality color scans of the original forms and can be viewed by software like Corel PhotoPaint or Adobe PhotoShop. To read the PDF version, you will need the Acrobat PDF Reader, available free from Adobe.