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Geological Services Unit (GSU)

NRCS Geological Services Unit (GSU) Geologists provide nationwide support to all states and regions. They are supervised by the State Conservation Engineer in their host state. Their salaries and travel costs come directly from NHQ-CED.

Jo Ellen Johnson, National Geologist and GSU Coordinator, NHQ, is the principal contact. (202) 720-1115

Map of Geological Services Unit (GSU)

 

NRCS Geological Services Unit, GSU Geologists' Contacts

NHQ, Washington DC, Jo Ellen Johnson, National Geologist and GSU Coordinator, (202) 720-0115*

NDCSMC, Ft. Worth, TX, Gregg Hudson, Geologist, (817) 509-3775*

NDCSMC, Ft. Worth, TX, Trent Snellings, Geologist, (817) 509-3761*

*  Not funded through GSU

State

Name

Title

Phone

Address

AK

For geological services, please contact WA.

AL

For geological services, please contact MS. 

AR

King, Christopher

Geologist

(501) 301-3156

700 W. Capitol, Rm 5404
Federal Building,
Little Rock, AR 72201-3228
 

AZ

For geological services, please contact NM. 

CA

Grim, Julia Knight

Geologist

(530) 792-5623

430 G Street,
Davis, CA 95616-4164 

CO

Vargo, Ana

Geologist

(720) 544-2818

Denver Federal Center Building 56 Rm 2400
PO Box 25426
Denver, CO 80225-0426

CT

For geological services, please contact MA. 

DE

For geological services, please contact WV. 

FL

For geological services, please contact GA. 

GA

Hall, Mark

Geologist

(706) 546-2204

Fed. Bldg., Box 13,
355 E. Hancock Ave.,
Athens, GA 30601-2769 

HI

For geological services, please contact NM. 

IA

Vacant

Geologist

(515) 323-2227

Fed. Bldg., Rm 693,
210 Walnut St.,
Des Moines, IA 50309-2180

Thompson, Joe

Geologist

(515) 323-2631

ID

For geological services, please contact OR. 

IL

Lamb, Diane

Geologist

(217) 353-6634

2118 W Park Ct
Champaign, IL 61821

IN

For geological services, please contact MI. 

KS

Vacant

Geologist

(785) 823-4544

760 S. Broadway,
Salina, KS 67401 

KY

Vacant

Geologist

(859) 224-7385

Suite 110 771-Corporate Dr.,
Lexington, KY 40503-5479 

LA

For geological services, please contact AR. 

MA

Vellone, Daniel A.

Geologist

(774) 345-7025

52 Boyden Road, Suite 100
Holden, MA 01520-2587 

MD

For geological services, please contact WV. 

ME

For geological services, please contact MA. 

MI

Vacant

Geologist

(517) 324-5247

3001 Coolidge Road, Suite 250,
East Lansing, MI 48823-6350 

MN

Weisbrod, Tim

Geologist

(608) 433-7362

375 Jackson St. Ste 600
St. Paul , MN 55101

Leuck, Lillian

Geologist

(608) 433-7433

MO

Rosenfelder, Adam J. "Joey"

Geologist

(573) 876-9393

Parkade Cntr., Suite 250,
601 Business Loop 70W
Columbia, MO 65203-2546

MS

Vacant

Geologist

601-965-5205 x 161

Fed. Bldg., Suite 1321,
100 W. Capitol St.
Jackson, MS 39269-1399

MT

Scannella, Kari

Geologist

(406) 587-6830

Fed. Bldg., Rm 443,
10 East Babcock St.
Bozeman, MT 59715-4704 

Grant, Sarah

Geologist

 

NC

Kroeger, Kim G.

Geologist

(919) 873-2128

4407 Bland Rd., Suite 117,
Raleigh, NC 27609

Butler, Zachary

Geologist

 

ND

For geological services, please contact NE. 

NE

Huscher, Theodore "Ted"

Geologist

(402) 437-4036

Fed. Bldg., Rm 152,
100 Centennial Mall, No.,
Lincoln, NE 68508-3866 

Sorsen, Nathan

Geologist

(402)437-4043

NH

For geological services, please contact MA. 

NJ

For geological services, please contact WV. 

ND

For geological services, please contact NE. 

NM

Braden, Charles

Geologist

(505) 761-4489

6200 Jefferson NE
Albuquerque, NM  87109

NV

For geological services, please contact CA. 

NY

For geological services, please contact MA. 

OH

Grover, Susan

Geologist

(614) 255-2505

Room 522 Fed. Bldg.,
200 N. High St.,
Columbus, OH 43215-2478 

OK

Juenger, Jessica

Geologist

(405) 742-1258

100 USDA Suite 203,
Stillwater, OK 74074-2655 

OK

Vacant

Geologist

 

Paul's Valley, OK 

OR

Markov, John

Geologist

(503)414-3253

1201 NE Lloyd Blvd, Suite 900,
Portland, OR 97232

PA

For geological services, please contact WV. 

PR

For geological services, please contact NC. 

Pacific Basin

For geological services, please contact NM. 

RI

For geological services, please contact MA. 

SC

For geological services, please contact NC. 

SD

For geological services, please contact NE. 

TN

Hartman, Andy

Geologist

(931) 528-6472 x117

900 South Walnut 
Cookeville, TN 38501

TX

Moffatt, Bryan

Geologist

(817) 233-6268

501 W. Felix Street, Bldg. 49S,
Fort Worth, Texas 76115

Vacant

Geologist

 

 

UT

Todd Sieber

Geologist

(801)524-4570

125 South State Street, Room 4010
Salt Lake City, UT 84138-1100 

Wyshnytzky, Cianna

Geologist

(801) 524-4253

VA

For geological services, please contact WV. 

VT

For geological services, please contact MA. 

WA

Gasperi, Joe

Geologist

(509) 323-2951

316 W. Boone Ave., Suite 450,
Spokane, WA 99201-2348 

WI

For geological services, please contact MN 

WY

Carlsen, Chris

Geologist

(307) 233-6745

100 East B St., Rm 3227,
PO Box 33124,
Casper, WY 82602

WV

McClure, Jeff

Geologist

(304) 284-4898

1550 Earl Core Road, Suite 200
Morgantown, WV 26505 

NHQ

Johnson, Jo

National Geologist

(202) 720-0115

1400 Independence Ave SW
Washington, DC 20250-0002

NDCSMC

Hudson, Gregg

Geologist

(817) 509-3775

501 W Felix St. Bldg 23
Fort Worth, TX 76115-3404

Snellings, Trent

Geologist

(817) 509-3761