Digital Cartographic Materials

1
Digital Cartographic Materials
at the
Library of Congress
Geography Map Division
Colleen Cahill, Digital Conversion Coordinator
2
How and Why the Collections are built?
Deposits
Purchase
Gift
3
Congressional Cartography Program
Digital Scan Lab
http//hdl.loc.gov/loc.gmd/g4410.ct001000
4
Archiving
Physical Housing
5
Electronic Housing

• Four frames

• 113 TB

• Checksum raid protected

• 3 copies of tape

• 1 inhouse

• 2 offsite

• 3 Iron mountain

6
Archiving
The Future Challenges

• Older formats uploaded/converted

• Born digital housed

• Sharing resources

• Standards established and changing

7
Collecting Digital Geospatial Data

• Congressional Cartography Program data

• Digital Scan Lab

• Data sets

Differ from Analog

• Specialized training for staff

• Different storage system

• Handling differences

8
Digital Geospatial Data Challenges

• Many formats

• Special computer needs

• Library servers workstations

• Patrons inside and outside the library

• Output issues files and prints

• Lots and lots of storage

• Digital Preservation

9
Questions