By Elaine McGee Marble surfaces exposed to rain develop a rough sugary texture because the calcite grains are loosened as the edges dissolve in the rain water. Column capital volute, Jefferson Memorial, Washington, D.C. VIEW a list of other USGS General Interest Publications Information on the Environment Outreach, Education, and Inquiries This page is URL:http://pubs.usgs.gov/gip/acidrain/ ...

Acid rain and... | what's being done | what's new | kids' corner | resources | | What's New | About Us | Your Environment | Information/Publications | Weather | Home | | Francais | Contact Us | Help | Search | Canada Site | The Green LaneTM, Environment Canada's World Wide Web site Important Notices and Disclaimers ...

National Home Atlantic Home Quebec Home Ontario Home Prairie, NWT and Nunavut Home BC and Yukon Home Select a Topic --------------------------- Children's Environmental Health Climate Centre Community Programs Contact List of Experts Emergencies Enforcement and Compliance Environmental Assessment Environmental Links Funding Programs Hunting Hurricane Centre Legislation We Administer Marketplace: ...