DNR Staff Directory
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Name: Roberta A Walls
Email Address: Roberta.Walls@wisconsin.gov
Working Title: Environmental Assistance Coord
Supervisor: Callan, Benjamin S
Org. Chart: Division of External Services > Bureau of Environmental Analysis & Sustainability > Integration Services
Secretary’s Director: Baumann, Dan G
Work Phone:
(608) 785-9272
Work Mobile Phone:
FAX:
(608) 785-9990
Work Station:
LA CROSSE SERVICE CENTER
Work Address:
Natural Resources, Department of
LA CROSSE, WI 54601
Work Mailing Address:
3550 Mormon Coulee Road
La Crosse, WI 54601-6768
Assigned Subjects
SubjectCounties Served
Frac Sand (Industrial Sand Mining) - Agency SpokespersonStatewide
Green Tier Project Coordinator, Covia Holdings CorporationStatewide
Green Tier Project Coordinator, Fairmount Santrol - Wisconsin Industrial Sand CompanyStatewide
Green Tier Project Coordinator, Smart Sand – Oakdale PlantStatewide
Green Tier Project Coordinator, US Silicia Company Sparta PlantStatewide
Hi-Crush Augusta, Green Tier Single Point of ContactStatewide
Non Metallic Mining Statewide
U.S. Silica – Sparta Plant Green Tier Single Point of ContactMonroe
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