Yukon Exploration and Geology 1999 consists of four parts: Part 1 is a comprehensive overview of mining and exploration activity in the Yukon; Part 2 outlines the activity and organization of the Yukon Geology Program; Part 3 contains regional reports from new government mapping, geochemical and geophysical studies, as well as some placer deposit studies; and Part 4 is a collection of reports by industry and government geologists on new mines and mineral occurrences with recent exploration advances.