Brent A. Black
Senior Associate Geologist

Mr. Black has 19 years of experience as an Engineering Geologist in the Pacific Northwest. His areas of expertise include site investigation and instrumentation, rockfall evaluations, soil and rock borrow source investigations and quarry development, geologic hazards, and construction quality assurance. He has performed numerous projects in remote areas requiring considerable planning, coordination, and communications with a wide range of personnel, and he successfully fosters working relationships with contractors and owners.

Projects representative of Mr. Black’s experience include:

• Bull Run Water Supply Pipeline Geologic Reconnaissance, Sandy, Oregon.
• Prospect 2 Penstock Rockfall, Prospect, Oregon
• Power Canal Geohazard Investigation, FERC Dam Safety Inspection, Leaburg, Oregon
• Dock Failure and Submarine Slide, Skagway, Alaska
• Clackamas Creeks Hydroelectric Project Geologic Hazards Evaluation, Estacada, Oregon.
• Swift Powerhouse Rockfall, Cougar, Washington
• Washington Park Station, Westside Light Rail, Portland, Oregon
• US Highway 2 Rockfall Mitigation, Libby, Montana
• Pacific Highway Geotechnical Evaluation, Woodland, Washington
• SR 504 Slide, Castle Rock, Washington
• Forsythe Road Slide, Oregon City, Oregon
• McGuire Dam - Left Abutment Landslide, Carlton, Oregon
• PGE Penstock No. 2 Failure, Bull Run Hydroelectric Powerhouse, Sandy, Oregon
• I-15 Rockfall Mitigation, Wolf Creek, Montana
• Skyline Drive Slide, West Linn, Oregon
• 3rd Avenue Extension, Ketchikan, Alaska
• US 191 Highway Improvements, Moab Utah
• Middle Fork Snoqualmie River Road Improvements, North Bend, Washington
• Washougal River Road Rockfall Hazard Assessment, Washougal, Washington
• Oak Grove Powerhouse Rock Slope, Clackamas County, Oregon
• Cecil Roadway Slide, Klamath National Forest, Cecil, California
• Going-to-the-Sun-Road, Columbia Falls, Montana
• ERFO - M & M Mainline Slide and Road Realignment BLM Forest, Quartzville, Oregon
• Banks-Lowman Highway Rockslide, Banks, Idaho
• Washington SR 12 Rockfall Mitigation Project, White Pass, Washington
• Beartooth Highway Landslides, Red Lodge, Montana