Read online Proceedings of the Bristol Naturalists' Society, Vol. 1: 1874-5-6 (Classic Reprint) - Bristol Naturalists Society | PDF Online

Download Proceedings of the Bristol Naturalists' Society, Vol. 1: 1874-5-6 (Classic Reprint) - Bristol Naturalists Society file in ePub

Excerpt from Proceedings of the Bristol Naturalists' Society, Vol. 1: 1874-5-6The Carboniferous system is divided into two grand divisions the Limestone rock proper, and the Coal measures. The first and oldest of these is sub-divided into three groups, viz.The lower shales about 500 feet in thickness. The mountain limestone about 2000 do. The upper shales about 400 do.In

Title : Proceedings of the Bristol Naturalists' Society, Vol. 1: 1874-5-6 (Classic Reprint)
Author : Bristol Naturalists Society
Language : en
Rating :
4.90 out of 5 stars
Type : PDF, ePub, Kindle
Uploaded : Apr 03, 2021

Post Your Comments: