On-Line Circulars
- Nutrients in the Nation's Waters—Too Much of a Good Thing?
Circular 1136 - Chain of Custody—Recommendations for Acceptance and Analysis of Evidentiary Geochemical Samples
Circular 1138 - Geology for a Changing World; A Science Strategy for the Geologic Division of the U.S. Geological Survey, 2000-2010
Circular 1172 - Aggregates from Natural and Recycled Sources: Economic Assessments for Construction Applications—A Materials Flow Analysis
Circular 1176 - Crushed Cement Concrete Substitution for Construction Aggregates—A Materials Flow Analysis
Circular 1177 - 1998 Assessment of undiscovered deposits of gold,
silver, copper, lead, and zinc in the United States
Circular 1178 - Yucca Mountain as a radioactive-waste repository
Circular 1184 - The Human Factor in Mining Reclamation
Circular 1191 - Materials and Energy Flows in the Earth Science Century: Summary of a Workshop Held by the USGS in November 1998
Circular 1194 - Gold Recycling in the United States in 1998
Circular 1196-A - Platinum Recycling in the United States in 1998
Circular 1196-B - Chromium Recycling in the United States in 1998
Circular 1196-C - Zinc Recycling in the United States in 1998
Circular 1196-D - Iron and Steel Recycling in the United States in 1998
Circular 1196-G - Columbium (Niobium) Recycling in the United States in 1998
Circular 1196-I - Tantalum Recycling in the United States in 1998
Circular 1196-J - Tin Recycling in the United States in 1998
Circular 1196-K - Molybdenum Recycling in the United States in 1998
Circular 1196-L - The Materials Flow of Mercury in the Economies of the United States and the World
Circular 1197 - Planning for the Conservation and Development of Infrastructure Resources in Urban Areas -- Colorado Front Range Urban Corridor
Circular 1219 - Geologic Studies of Mercury by the U.S. Geological Survey
Circular 1248 - USGS Mineral Resources Program—Supporting Stewardship of America's Natural Resources
Circular 1289