Speidel, David H. books & textbook
The Natural Geochemistry Of Our Environment
Speidel, David H Agnew, Allen F.
Westview Press /1982-07-12 Hardcover / 214 Pages
isbn-10: 0865311102 / isbn-13: 9780865311107
Perspectives on Water: Uses and Abuses
Speidel, David H. Ruedisili, Lon C. Agnew, Allen F.
Oxford University Press /1987-10-22 Paperback / 400 Pages
isbn-10: 0195042484 / isbn-13: 9780195042481