Preservation Resources, a division of OCLC, offers special expertise on preserving material with microfilm and scanning technology.
Conservation On-Line (CoOL), maintained by the Preservation Department of Stanford University Library, is an excellent site that includes directories of organizations, commercial enterprises, and individual professionals in the area of conservation and preservation of cultural artifacts. It features an especially good collection of material relating to disaster planning and mitigation.
The Iowa Conservation and Preservation Consortium was formed several years ago in an attempt to chart the future for collections documenting Iowa's cultural heritage. This group, which includes representatives from government, museums, historical societies, and many types of libraries, sponsors teleconferences, offers flood recovery advice, and publishes preservation tip sheets. The group has incorporated and is now a membership organization.
The Disaster Center offers a wide variety of resources that can be useful in the event of a disaster of almost any sort.
"How to Protect Photos, Documents, and Other Papers from Destruction Over Time" is an article from Scrapbook.com that compiles detailed information on paper types and degradation. The site itself is primarily a store for hobbyists and does not currently sell archival quality preservation materials. The blog, however, includes an "archiving" tag with links to articles on introductory preservation matters.