Pennines, and the Caldbeck Fells in the northern Lake District were some of his most popular collecting areas...him participating in the activities of the Peak District Mines Historical Society (with his great friend...Polymorphous calcium-carbonate. Bulletin of the Peak District Mines Historical Society, 2, 59-67. Ford, T.D...Mineralogy of Bage Mine. Bulletin of the Peak District Mines Historical Society. 8(4), 260-261. 11 Manning...and Survey of Bage Mine. Bulletin of the Peak District Mines Historical Society, 8(4), 243-259. UNUSUAL |