Note 383 — Chapter XLV · THE ACID ROCKS
Reading edition
In addition to the work of Scrope, the student of this important volcanic district will find an invaluable guide in the Le Puy Sheet (No. 186) of the Geological Survey Map of France, and in the Bulletins of the Survey, particularly those by MM. Termier and Boule, No. 13 (1890) and No. 28 (1892).
[384] Bull. Carte. Géol. France, No. 28 (tome iv.) p. 125.