The book Report of Progress From Its Commencement to 1863 was written by author Geological Survey of Canada Here you can read free online of Report of Progress From Its Commencement to 1863 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Report of Progress From Its Commencement to 1863 a good or bad book?
What reading level is Report of Progress From Its Commencement to 1863 book?
To quickly assess the difficulty of the text, read a short excerpt:
395 Feet. Feet. leaflets, small shells of the genus Spirorbis are met with. More than 130 feet above the coal seam, there is a hard rough grey bed, looking like fire-clay ; with the fibrous impressions of Psilophyton roots penetrating it at right angles. Ripple-mark occurs on some of the surfaces, 528 2. Drab sandstones, many of them with a reddish tinge ; they present Sandstones. spheroidal masses harder than the general character of the rock, and are marked by extensive ferruginous stains. A ...few scattered pebbles of quartz and jasper occur in some of the beds, which are in general thick, and separated from one another by layers and partings of grey argillaceous and arenaceous shale. Nodules of argillaceous iron ore are contained in some of the layers, and comminuted carbonized Iron ore. plants are frequently seen on the divisional surfaces ; those which have been determined belong to the species already mentioned, .... 916 3. Drab sandstones, inclining to reddish at the bottom and greenish at the top ; with occasional scattered quartz and jasper pebbles, and large spheroidal masses, as above.
You can download books for free in various formats, such as epub, pdf, azw, mobi, txt and others on book networks site. Additionally, the entire text is available for online reading through our e-reader. Our site is not responsible for the performance of third-party products (sites).
User Reviews: