Originally published in 1886. The illustrated contents include: Prospecting for Valuable Minerals – Rocks – Testing Minerals by the Blowpipe – Character of Minerals – Metals and Metallic Ores – Other Useful Minerals and Ores – Composition of Various Rocks – Testing by the Wet Process – Assay of Ores – Surveying – Weights and Measures – Terms etc. Many of the earliest books on geology, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. Home Farm Books are republishing many of these classic works in affordable, high quality, modern editions, using the original text and artwork.