South Dakota Field Office
Mountain-Prairie Region
Office Personnel


Office Programs:

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Please note - when contacting staff about a species, they may not be an "expert" on the species, but will help you with your question and/or direct you to a more appropriate source if needed.

Name Position

Phone Ext.

Duties Species
Scott Larson Field Supervisor
Supervisor Black-footed Ferret, Black-tailed Prairie Dog, Gray Wolf
Sharon Blair Administrative Support Assistant 223 Budget  
Charlene "Charlie" Bessken Biologist 231 Federal Project Review, Endangered Species, Section 7 Consultation

Western Prairie Fringed Orchid, American Burying Beetle, Mussels, Dakota Skipper, Poweshiek Skipperling, Northern Long-eared Bat, Eagles, Bumblebees

Natalie Gates Biologist


DOT, Wind Power, Endangered Species, Section 7 Consultation Piping Plover, Least Tern, Whooping Crane, Sprague's Pipit, Topeka Shiner, Mountainsnail, Regal Fritillary
Matt Schwarz Biologist 232 Environmental Contaminants Pallid Sturgeon, Shovelnose Sturgeon, Swift Fox
Terry Quesinberry Biologist 234 Federal Project Review, 404, Section 7 Consultation Greater Sage Grouse, Eskimo Curlew, Black-backed Woodpecker


Last updated: April 6, 2016

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