The original edition of this glossary was developed for use by trainee cadastral surveyors during the cadastral survey professional series of training courses. This edition is intended for use by all BLM personnel and should be of particular value to newly hired cadastral and cartographic personnel. For the sake of clarity and exactness, many first edition definitions have been modified. The definitions are not meant to conflict with those in other glossaries, but since the glossary is for BLM cadastral personnel, some terms will have a meaning unique to BLM cadastral surveys.

This manual has been prepared as a guide to field personnel in the more practical aspects and commonly encountered problems of ground-water investigations, development, and management. Information is presented concerning such aspects as ground-water occurrence and movement, well-aquifer relationships, ground-water investigations, aquifer test analyses, estimating aquifer yield, data collection, and geophysical investigations. In addition, permeability tests, well design, dewatering systems, well specifications and drilling, well sterilization, pumps, and other aspects have been discussed. An...