These notes, problems and observations have been compiled in order to present in useful form for the student much that is today scattered among various texts on surveying and much from practical work that is not included in the average series of lectures on mine surveying. The surveying. Of lode and placer claims has been omitted, as the present methods of conducting such work are very differ ent from practice in underground work, and recent legislation has caused considerable confusion in all mineral surveys. Mine surveying is really one part of mining engineering. The purpose of these notes is to show how mine surveying enters into all the other phases of mining engineering and what meth ods are best adapted to each kind of work.