1.
 |  | Title: Environmental Monitoring, Assessment, and Management : The Agenda for Long-Term Research and Development by Sidney Draggan, John J. Cohrssen, Richard Morrison ISBN: 0275923363 Publisher: Praeger Publishers Pub. Date: 16 June, 1987 List Price: $75.00 Amazon.com Price: $75.00 |
2.
 |  | Title: Geochemical and Hydrologic Processes and Their Protection : The Agenda for Long-Term Research and Development by Sidney Draggan, John J. Cohrssen, Richard Morrison ISBN: 0275923398 Publisher: Praeger Publishers Pub. Date: 11 June, 1987 List Price: $92.95 Amazon.com Price: $92.95 |
3.
 |  | Title: Preserving Ecological Systems by Sidney Draggan, John J. Cohrssen, Richard Morrison ISBN: 0275923371 Publisher: Praeger Publishers Pub. Date: 11 June, 1987 List Price: $45.95 Amazon.com Price: $45.95 |
4.
 |  | Title: Environmental Impacts on Human Health : The Agenda for Long-Term Research and Development by Sidney Draggan, John J. Cohrssen, Richard Morrison ISBN: 027592338X Publisher: Praeger Publishers Pub. Date: 11 June, 1987 List Price: $85.00 Amazon.com Price: $85.00 |