On the Lias Outliers at Knowle and Wootton Warwen in South Warwickshire, and on the Presence of the Lias or Rhaetic Bone-bed at Copt Heath, its furthest Northern Extension hitherto recognized in that County

P. B. Brodie
1865 Quarterly Journal of the Geological Society  
doi:10.1144/gsl.jgs.1865.021.01-02.23 fatcat:unpc2z3e5zejlaqcth42s42uu4