Relief shown by spot heights. Datum is mean sea level.
Structure contour interval 10 feet. Structural key bed: "top of big lime" (Greenbrier-Maxville limestone) Mississippian.
"Projected downwards from surface structures as mapped on fireclay coal by means of actual convergence to the northwest."
"Oil and gas correct to April 1, 1928."
Includes general geological section showing oil and gas sands and coals and note describing related Survey maps.
"Topography presented on U.S.G.S. Pikeville, Hindman, Paintsville, Prestonsburg and Harold quadrangles: scale 1:125,000."
Covers Floyd County, Kentucky.