10--Chemical evolution of ground water Box 8 Bookmark Collection Context Series II: Research Collection, undated, 1905 - 1991Association of Ground Water Scientists and Engineers: Introduction to Ground Water geochemistry, 1988
11--Sampling techniques Box 8 Bookmark Collection Context Series II: Research Collection, undated, 1905 - 1991Association of Ground Water Scientists and Engineers: Introduction to Ground Water geochemistry, 1988
13--Sampling and analysis Box 8 Bookmark Collection Context Series II: Research Collection, undated, 1905 - 1991Association of Ground Water Scientists and Engineers: Introduction to Ground Water geochemistry, 1988