Wells, A J 1955a

From International Robin Hood Bibliography
Wells, A.J. The Stratigraphy and Structure of the Middleton Tyas-Sleightholme Anticline and the Development of Chert between the Underset and Crow Limestones in North Yorkshire / by A. J. Wells. [Durham]: University of Durham, 1955. Doctoral diss. [3], vi, 270 pp. B./w. illus., col. map.