http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mississippian stratigraphic studies, Bottineau County, North Dakota
4 maps and 3 cross-sections on 2 sheets ; 25 x 32 cm. and 17 x 31 cm., on sheets 46 x 71 cm., folded to 24 x 16 cm.
Isopach map, Spearfish Formation -- Structure contour map, Mission Canyon Formation, top of middle anhydrite -- Contours on Paleozoic erosional surface -- Porosity map of 100 foot interval below post Mississippian unconformity.
by Sidney B. Anderson and LaVerne B. Nelson.
Report of investigations (North Dakota Geological Survey) ; no. 24