Daniel Wieferich

U.S. Geological Survey
Core Science Analytics, Synthesis, and Libraries
Denver, CO
USA 80225
Email: dwieferich@usgs.gov

Papers:
T-122-8 National Stream Fish Passage Barrier Inventory: Connecting Fragmented Data W-122-1 Improving Opportunities for Conserving Streams through National Data Layers and a Common Spatial Framework: Advances in Large-Scale Ecological Investigations of Aquatic Systems