Thesaurus of Rock and Soil Mechanics Terms is a book of synonym, including terms used in geology, mining, hydrology, engineering, and similar fields. The terms are organized alphabetically with preferred terms in bold and non-preferred terms in italic. This text also provides non-trivial relationship to other preferred terms for each preferred terms. This book will be of great use to professionals or researchers such as geologists, miners, and engineers whose line of work involves the identification and classification of earthen materials.