Service:
- Joan Patterson Kerr Award Committee, Western History Association
- Humanities Collaborations Special Interest Group, Stanford Humanities Center
- Geographic Information Sciences Special Interest Group, Stanford Humanities Center
- Board of Advisors, Center for Steinbeck Studies, San Jose State University, 2004-2010
Referee:
- Proceedings of the National Academy of Sciences
- Conservation Biology
- Environmental Management
- Information & Culture: A Journal of History
- Occasion: Interdisciplinary Studies in the Humanities
- Oxford University Press
- University of California Press