California

Client	Project	Date	Industry	Agency	County
AMAX Lassen Gold	Hayden Hill Mine	5/9/1990	MINING	BLM	Lassen
AMAX Lassen Gold	Hayden Hill Mine	10/30/1992	MINING		Lassen
AMAX Lassen Gold	Hayden Hill Mine	4/9/1992	MINING	BLM	Lassen
American Pozzolan Corp.	Open Pit Sites	7/27/1994	MINING	BLM	Lassen
AT&T Corp.	AT&T NexGen/Core Project	7/14/2004	INFRASTRUCTURE	BLM	Pinal
AMAX Lassen Gold	Hayden Hill Mine	10/15/1995	MINING	BLM	Lassen
AT&T Corp.	AT&T NexGen/Core Project	1/22/2003	INFRASTRUCTURE	BLM	Pima
AT&T Corp.	AT&T NexGen/Core Project	5/27/2003	INFRASTRUCTURE	BLM	Maricopa
AT&T Corp.	AT&T NexGen/Core Project	8/22/2003	INFRASTRUCTURE	BLM	Pima
BHP Minerals International	BHP Conglomerate Mesa Exploration Project	7/14/1998	MINING	BLM	Inyo
Bodie Consolidated Mining Co.	Bodie Project	3/29/1991	MINING	BLM	Mono
Bureau of Land Management	Indian Creek Recreation Area Fuels Management Project	8/28/2001	DOD FEDERAL	BLM	Alpine
California Lightweight Pumice, Inc.	Pumice Mine Expansion	4/12/1995	MINING	BLM	Inyo
Canyon Resources Corp.	Briggs Project	4/25/1995	MINING	BLM	Inyo
Canyon Resources Corp.	Briggs Project	11/18/1994	MINING	BLM	Inyo
Canyon Resources Corp.	Briggs Project	10/28/1992	MINING	BLM	Inyo
Canyon Resources Corp.	Briggs Project	2/25/1993	MINING	BLM	Inyo
Canyon Resources Corp.	Briggs Project	12/20/1994	MINING	BLM	Inyo
Canyon Resources Corp.	Briggs Project	8/16/1993	MINING	BLM	Inyo
Bodie Consolidated Mining Co.	Bodie Project	7/15/1991	MINING	BLM	Mono
Canyon Resources Corp.	Potential Clay Sources	8/5/1994	MINING	BLM	Inyo
Compass Minerals, Inc.	Radcliff Project	10/12/1995	MINING	BLM	Inyo
CR Briggs Corporation	Briggs Project	5/9/1996	MINING	BLM	Inyo
Galactic Services, Inc.	Bodie Project	9/15/1990	MINING	BLM	Mono
Galactic Services, Inc.	Bodie Project	6/5/1989	MINING	BLM	Mono
Galactic Services, Inc.	Bodie Project	5/11/1989	MINING	BLM	Mono
Lassen Gold Mining, Inc.	Hayden Hill Mine	10/15/1995	MINING	BLM	Lassen
MPE, Inc.	Electrical Power Line	7/23/1999	INFRASTRUCTURE	US Fish & Wildlife Service	Lassen
PF.Net Construction Corp.	AT&T NexGen/Core Project	8/17/2001	INFRASTRUCTURE	BLM	Pinal
PF.Net Construction Corp.	AT&T NexGen/Core Project	7/30/2001	INFRASTRUCTURE	BLM	Maricopa
PF.Net Construction Corp.	AT&T NexGen/Core Project	3/27/2001	INFRASTRUCTURE	BLM	Maricopa
PF.Net Construction Corp.	AT&T NexGen/Core Project	9/24/2001	INFRASTRUCTURE	BLM	Pinal
PF.Net Construction Corp.	AT&T NexGen/Core Project	12/1/2000	INFRASTRUCTURE	BLM
PF.Net Construction Corp.	AT&T NexGen/Core Project	6/3/2001	INFRASTRUCTURE	BLM
Plumas-Sierra Rural Electric Cooperative	Underground Power Line	10/27/2003	INFRASTRUCTURE	USDA Rural Utility Service	Plumas
Plumas-Sierra Rural Electric Cooperative	Electrical Power Line	9/1/1999	INFRASTRUCTURE		Plumas
Plumas-Sierra Rural Electric Cooperative		3/24/2003	INFRASTRUCTURE
Plumas-Sierra Rural Electric Cooperative		6/1/2001	INFRASTRUCTURE
Plumas-Sierra Rural Electric Cooperative		11/8/2004	INFRASTRUCTURE	Northern California Power Agency (NCPA)
Plumas-Sierra Rural Electric Cooperative	69kV Transmission Line and a Transformer Site	5/21/2002	INFRASTRUCTURE	BLM	Lassen
Plumas-Sierra Rural Electric Cooperative	Reconductoring Project	8/3/1994	INFRASTRUCTURE	BLM	Plumas
Sprint Communications	Reno Spur Fiber Optic Cable	11/15/1999	INFRASTRUCTURE		Lassen
Umetco Minerals Corp.	120 Acre Parcel	9/6/1996	MINING	BLM	Inyo
Woodward-Clyde Consultants, Inc.	Blythe-Knob Transmission Line	8/23/1995	INFRASTRUCTURE	USDOE/WAPA	Imperial
Darling Environmental & Surveying, Ltd.	Masonic Mine Dist	12/19/2005	MINING	USFS	Mono
Lassen Gold Mining, Inc.	Hayden Hill Mine	2/20/1995	MINING	BLM	Lassen
Plumas-Sierra Rural Electric Cooperative	Wind Farm Project, PLUM-MIL	1/25/2008	INFRASTRUCTURE	USDA Rural Utility Service	Plumas
Plumas-Sierra Rural Electric Cooperative	Wind Farm, Fort Sage/Herlong Project	5/21/2009	INFRASTRUCTURE	USDA Rural Utility Service	Lassen
Plumas-Sierra Rural Electric Cooperative	Upgrade Project #325 PLUM-306	3/2/2007	INFRASTRUCTURE	USDA Rural Utility Service	Sierra
K. Krater Consulting	Ramelli Creek Ranch KRAT-RAM	10/10/2006	OTHER	Plumas Cty Planning Commiss	Plumas
K. Krater Consulting	Sugarloaf Ranch KRAT-SLR	7/4/2007	OTHER	Plumas Cty Planning Commiss	Plumas
Plumas-Sierra Rural Electric Cooperative	120kV Interconnection Proj PLUM-HER	1/29/2008	INFRASTRUCTURE	USDA Rural Utility Service	Washoe
Woodward-Clyde Consultants, Inc.	Gila-Knob 161-kV Transmission Line	4/19/1995	INFRASTRUCTURE	DOE/WAPA	Yuma
AT&T Corp.	AT&T NexGen/Core Project	9/2/2005	INFRASTRUCTURE	BLM	Pinal
Woodward-Clyde Consultants, Inc.	Parker-Blythe #1 161-kV Transmission Line	9/1/1995	INFRASTRUCTURE	DOE/WAPA	La Paz
Darling Environmental & Surveying, Ltd.	Masonic Mining District	10/21/2005	MINING	USFS	Mono
Land Services, Inc.	AT&T NexGen/Core Project	11/8/2011	INFRASTRUCTURE	BLM	Imperial
AT&T Corp.	AT&T NexGen/Core Project	10/30/2012	INFRASTRUCTURE	BLM	Riverside
AT&T Corp.	AT&T NexGen/Core Project	12/23/2011	INFRASTRUCTURE	BLM	Imperial
AT&T Corp.	AT&T NexGen/Core Project	12/28/2011	INFRASTRUCTURE	BLM	Imperial
AT&T Corp.	AT&T NexGen/Core Project	1/9/2012	INFRASTRUCTURE	BLM	Imperial
AT&T Corp.	AT&T NexGen/Core Project	1/13/2012	INFRASTRUCTURE	BLM	Imperial
AT&T Corp.	AT&T NexGen/Core Project	1/30/2012	INFRASTRUCTURE	BLM	Imperial
AT&T Corp.	AT&T NexGen/Core Project	2/1/2012	INFRASTRUCTURE	BLM	Imperial
AT&T Corp.	AT&T NexGen/Core Project	3/9/2012	INFRASTRUCTURE	BLM	Imperial
Plumas-Sierra Rural Electric Cooperative	Plumas Mid-Mile Fiber Project	1/26/2012	INFRASTRUCTURE	NTIA	Sierra
U.S. Department of Veterans Affairs	KING-ALL CEM-LA	10/30/2012	DOD FEDERAL	Natl Cemetery Administration	Los Angeles
AT&T Corp.	AT&T NexGen/Core Project	12/18/2012	INFRASTRUCTURE	BLM	Imperial
Canyon Resources Corp.	Repeater Facility Site	8/5/1994	MINING	BLM	Inyo
AMAX Lassen Gold	Hayden Hill Mine	12/27/1990	MINING	BLM	Lassen
AT&T Corp.	AT&T NexGen/Core Project	10/25/2014	INFRASTRUCTURE	Cal Trans	Riverside