The NSDI and its clearinghouse

National Spatial Data Infrastructure

Metadata
Clearinghouse
Framework
(Standards)
(Partnerships)

National Geospatial Data Clearinghouse

Distributed catalog
Common search protocol
Consistent record structure
USGS participation varies by division
- Geoscience: http://geo-nsdi.er.usgs.gov/

Metadata structure and keywords in online data catalogs
Building a National Knowledge Bank for CMGP 23-Apr-2002
Peter Schweitzer, U.S. Geological Survey