United States Department of Agriculture
Natural Resources Conservation Service
California Go to Accessibility Information
Skip to Page Content



Pacific Southwest Major Land Resource Area (MLRA) Soil Survey Office, Region #2

The Pacific Southwest MLRA Office (MO-2), located in Davis, California provides quality assurance, technical guidance and support, and technology transfer to National Cooperative Soil Survey offices for parts of Arizona, California, Hawaii, Nevada, Oregon, and the Pacific Basin. This office is one of 17 Major Land Resource Area (MLRA) Offices serving the National Cooperative Soil Survey in the United States and it's trust territories.

Learn more about the MLRA Office.

David W. Smith
MLRA Office Team Leader/State Soil Scientist
Phone: (530) 792-5640
David.Smith@ca.usda.gov

MLRA Office Staff
Contact Information Responsibilities
Russell Almaraz
GIS Soil Survey Specialist
Phone: (530) 792-5665
Russell.Almaraz@ca.usda.gov
  • Provide GIS support for the Soil Survey Program
David Howell
GIS Soil Survey Specialist
Arcata Soil Survey Office
1125 16th. St., Room 219
Arcata, CA 95521
Phone: (707) 822-7133, x100
Fax: (707) 822-7131
David.Howell@ca.usda.gov
  • Provide GIS support for the Soil Survey Program
  • Conduct analysis of STATSGO, SSURGO, and other geospatial datasets
Carmen Ortiz
Soil Survey Publications Specialist
Phone: (805) 928-9269, x 102
carmen.ortiz@ca.usda.gov
  • NASIS report scripting/query support
  • Assist Project Leaders in the development of soil survey manuscripts
  • Coordination of publication of soil soil surveys
  • California Webmaster
  • State eAuthentication Coordinator
  • State SCIMS Coordinator
Kit Paris
Soil Data Quality Specialist (Database)
Phone: (530) 792-5634
Kit.Paris@ca.usda.gov
  • Soil database management
  • National Soil Information System (NASIS) implementation and maintenance
  • PEDON program implementation
  • Field Office Computing System (FOCS) soils module and training
  • Soil survey review team leader
  • Soil correlation
  • STATSGO data support
Susan Southard
Liaison to the National Park Service
Soil Data Quality Specialist
Phone: (530) 792-5636
susan.southard@ca.usda.gov
  • National Liaison to the National Park Service
  • Soil survey review team leader
Ed Tallyn
Soil Data Quality Specialist (Correlation)
Phone: (530) 792-5639
Ed.Tallyn@ca.usda.gov
  • MLRA Office Area-wide soil correlation leader
  • Soil survey review team leader
  • Soil classification
  • Soil data quality
  • Soil taxonomy
Nancy Whitmire
Management Assistant
Phone: (530) 792-5635
Nancy.Whitmire@ca.usda.gov
  • MLRA Office and management support
  • Distribution of soil survey reports & soils reference materials

< Back to Roles and Responsibilities