Geotechnical Investigation and Construction Testing
Tulsa, OK. Dowell Office Building. (1957)
Hemphill and Shelby Drilling Company
Report Cover. (1957)
Geotechnical Investigation
Anadarko, OK. Western Farmers Electric generating plant expansion. (1959)
Hemphill Machining Company
Tulsa, OK. Kenneth Jones pictured. (1959)
Exploratory Drilling Operations
(1961)
Hemphill Drilling Company
Hemphill Drilling Company insignia. (1961)
Geotechnical Investigation, Construction Testing and Inspection
Tulsa, OK. United States Federal Courthouse. (1961)
Elmer L. Hemphill
(1961)
Drilling for Geotechnical Investigation
Port of Muskogee, OK. Investigation for Arkansas River bridge for Muskogee Turnpike. Oklahoma Turnpike Authority. (1962)
Drilling for Geotechnical Investigation
Morrelton, AR. Investigation for Morrelton Bridge across Arkansas River. US Corp. of Engineers. (1962)
Water Well Drilling
Eufaula, OK. Development for Bell Star Park on Eufaula Reservoir. US Corp of Engineers. (1963)
Water Well Drilling
Eufaula, OK. Hemphill family pictured at Bell Star Park. (1963)
Drilling for Geotechnical Investigation
Sallisaw, OK. Arkansas River bed, Kerr Lock and Dam. US Corp of Engineers. (1963)
Original Corporate Office
420 N. Michigan. Elmer L. Hemphill pictured. (1963)
Original Anchor Testing
Tulsa, OK. International Petroleum Exposition Center. Elmer L. Hemphill pictured. Tulsa County Fairgrounds. (1964)
Geotechnical Investigation
Sand Springs, OK. Sheffield Steel plant expansion. (1964)
Geotechnical Investigation
Tulsa, OK. Sooner Federal Savings and Loan building. (1965)
Exploratory Drilling
Southwest North Dakota. Drilling for coal and lignite. US Geological Survey. (1965)
Geotechnical Investigation, Construction Testing and Inspection
Tulsa, OK. University of Tulsa's Skelly Stadium expansion. (1965)
Soil Core for Unconfined Compression Testing
Hope, AR; Prescott, AR. Hemphill's field laboratory for centerline soil survey Interstate 10. David R. Benham Engineering. (1966)
Geotechnical Engineering, Design and Installation
Tulsa, OK. Anchoring system for 13.6 acre cable suspension 284 ft. clear span roof system. Construction testing and inspection for International Petroleum Exposition Center. (1966)
Geotechnical Investigation, Foundation Consulting, Construction Testing and Inspection
Tulsa, OK. University Club Towers. Anslie Peralt. (1967)
Drilling for Geotechnical Investigation
Wyoming County, WV. Investigation for N&W Railroad relocation at Justus Reservoir. US Corp of Engineers. (1967)
Pregrouting and Concrete Testing
Buick, MO. Performed testing for 25 ft. diameter 1,875 ft. deep lead and zinc mine shaft. Missouri Lead Operating Co. (1967)
Pregrouting
Buick, MO. 1875 ft. deep mine shaft. Homestate Mining and American Metal Climax. (1967)
Drilling for Geotechnical Investigation
(1968)
Geotechnical Investigation
Tulsa, OK. Pipeline crossing South of 21st St. Bridge and Arkansas River bed. (1968)
Exploratory Drilling With Rotary and Cable Tool Rigs
(1968)
Hemphill Corporation Brochure Cover
(1969)
Unconfined Compression Test
Tulsa, OK. Performing testing on soil samples at Hemphill's laboratory. Andy Kinsey pictured. (1969)
Concrete Cylinder Curing Vault
Tulsa, OK. Hemphill Corporation testing laboratory. (1969)
Predrilling of Shafts
Tulsa, OK. Drilling in rock for piers for foundation system at Saint Francis Hospital expansion. Dempsey Powers Pier Drilling. (1972)
Performing Soils Shrinkage Test
Tulsa, OK. Andy Kinsey pictured. Hemphill Soils Laboratory. (1972)
Bird Creek Dam
Barnsdall, OK. Performed oil well plugging, slope stability monitoring, piezometer installation and centerline grouting for contact point of structure with bedrock. US Corp of Engineers. (1974)
Copan Dam
Copan, OK. Performed oil well plugging, slope stability monitoring, piezometer installation and centerline grouting for contact point of structure with bedrock for dam and reservoir. US Corp. of Engineers. (1974)
Tie Back Anchor System
Oklahoma City, OK. Design and installation of anchor system for retaining walls. First National Bank. (1975)
Oil Field Drilling Operation
(1979)
Oil Field Drilling Operations
(1979)
900 ft. Water Well Cementing
Norman, OK. Elmer L. Hemphill pictured. (1980)
800 ft. Water Well Drilling
Hallet, OK. Development for city water supply. US Corp of Engineers. (1981)
Test Drilling
Tulsa, OK. Initial test drilling for custom designed and manufactured hydraulic drilling rig. Expo Square remediation project. Elmer L. Hemphill pictured. (1981)
Drilling 60 ft. Test Anchors
Tulsa, OK. Custom designed and manufactured drilling rig at Expo Square. Elmer L. Hemphill pictured. (1981)
Anchor Grouting Machine
Tulsa, OK. Designed and manufactured for grouting 60 ft. anchors at Expo Square. (1982)
Drilling 60 ft. Anchors
Tulsa, OK. Custom designed and manufactured drilling rig at Expo Square. (1982)
Nuclear Density Field Compaction Testing
Port of Catoosa, OK. Testing for certification of Quarry Landfill's clay liner. John R. Hemphill pictured. (1984)
Design-Build Tower Foundation System
Coweta, OK. 1,907 ft. broadcast tower for ABC affiliate KTUL Channel 8. Carl Watkins and Curtis Cooper pictured. (1987)
Rebar Cages
Coweta, OK. Design-Build tower foundation system for 1,907 ft. broadcast tower for ABC affiliate KTUL Channel 8. (1987)
Reclaimed Brick
Fredonia, KS. From Hemphill's Excelsior Brick Plant. (1987)
Design-Build Tower Foundation
Aberdeen, WA. Curtis Cooper pictured. United States Cellular. (1988)
Design-Build Tower Foundation
Blast hole drilling in Galena, IL. US Cellular. (1988)
Brochure Cover
Hemphill Corporation. (1988)
Pull Testing for Tower Foundation Pier
Central TX. Sam Houston Electric Coop. (1988)
Foundation Remediation Project
Tulsa, OK. Utica National Bank. (1988)
Foundation Construction
Kansas City, MO. Construction for 1,200 ft. broadcast tower for NBC affiliate KMBC. (1989)
Tower Site Design and Construction
Martinsville, VA. United States Cellular. (1990)
Design-Build Tower Foundation
Tulsa, OK. 300 ft. self support tower. Curtis Cooper pictured. United States Cellular. (1991)
Helicopter Rooftop Collocation
Richmond, VA. PrimeCo Wireless. (1993)
Design-Build Tower Foundation for 300 ft. Self Support Tower
Dixon, IL. United States Cellular. (1993)
Corporate Headquarters
Tulsa, OK. Elmer L. Hemphill pictured. (1993)
Engineering and Construction for 300 ft. Guyed Tower Site
South Carolina. United States Cellular. (1994)
Engineering and Construction of 300 ft. Self Support Tower Site Design-Build Project
Swanna Noa Valley, NC. United States Cellular. (1994)
Design-Build Tower Site
300 ft. Guyed Tower with building platform. Constructed in 11 days. Cedar Key, FL. (1994)
Design-Build Crane System
Hauling from Tulsa, OK to Charlotte, NC. (1995)
105 ft. Span Overhead Bridge Crane
Kansas City, MO. Design, manufacture and install of two 20 ton hoists that could be operated from cab, pendant or radio, with magnetic pickup. Castle Metals. (1995)
Design, Manufacture and Install of 20 Ton Overhead Bridge Cranes
Tulsa, OK. SmithCo Manufacturing. (1995)
Hemphill Plant No. 1
Tulsa, OK. Manufacturing of 110 ft. span overhead bridge crane with two 20 ton hoists. Castle Metals. (1995)
Tower Erection Project
(1995)
Line Boring
Kansas City, MO. Boring for end truck axles for large overhead bridge cranes. Designed and manufactured by Hemphill. Castle Metals. (1995)
Design-Build 450 ft. Guyed Tower
Tallahassee, FL. Built to replace existing broadcast tower for wireless and FM broadcast. United States Cellular. (1996)
Design-Build of 300 ft. Guyed Tower
Cross City, FL. United States Cellular. (1996)
Design-Build of 330 ft. Self Support Tower
Smithfield, NC. United States Cellular. (1996)
300 ft. Guyed Tower
Tulsa, OK. Plant No. 1. Design, manufacture and build for United States Cellular. Cross City, FL. (1996)
Design and Manufacture of 180 ft. Self Support Tower
Laredo, TX. United States Cellular. (1996)
Design and Manufacture of 180 ft. Monopole
Washington. United States Cellular. (1997)
Design, Manufacture and Build of 300 ft. Self Support Tower
Greenville, SC. NexTel Communications. (1997)
Design, Manufacture and Build of 180 ft. Monopole
North Carolina. United States Cellular. (1997)
Design, Manufacture and Build of 450 ft. Guyed Tower
Southeastern US. (1997)
Brochure Cover
Hemphill Corporation. (1997)
Plant No. 1
Tulsa, OK. Bolt warehouse and packaging center. Scott Hemphill pictured. (1997)
Manufacturing and Assembly for Air Cooled Heat Exchangers
(1997)
Plant No. 1
Tulsa, OK. Design, manufacture and installation of 63 ft. span 30 ton overhead bridge crane. (1997)
Overhead Bridge Cranes
Charlotte, NC. Design, manufacture and installation of 110 ft. span overhead bridge cranes with two 20 ton hoists. Castle Metals. (1997)
190 ft. Monopole
Washington. United States Cellular. (1997)
220 ft. Rooftop Multitenant Tower
New York, NY. Structure for over 200 antennas on top of the 4 Times Square Building. 1998 "Engineering News Record" Telecommunications Project of the Year. 1999 CTIA Multitenant Tower Winner. Durst Corp. Designed and manufactured by Hemphill.(1997)
Dish Installation and Path Alignment
Iolehaehae, HI. (1997)
220 ft. Rooftop Multitenant Tower
New York, NY. Structure for over 200 antennas on top of the 4 Times Square Building. 1998 "Engineering News Record" Telecommunications Project of the Year. 1999 CTIA Multitenant Tower Winner. Durst Corp. Designed and manufactured by Hemphill. (1997)
Design-Build 190 ft. Monopole Site
Greenville, SC. NexTel Communications. (1997)
190 ft. Monopole
Greenville, SC. Antenna mount accessory. NexTel Communications. (1997)
Design-Build Tower
Helicopter utilized for placement of tower due to remote location. Big Island, HI. (1997)
Tower Times Magazine
Camp LeJeune, NC. 180 ft. Monopole. US Cellular. (1998)
Design-Build 340 ft. Guyed Tower Site
Duncan, SC. NexTel Communications. (1998)
Design-Build 340 ft. Guyed Tower Site
Duncan, SC. NexTel Communications. (1998)
Hemphill Plant No. 1
Tulsa, OK. Manufacture of 14 ft. diameter 200 ft. tall stack for Dupont Chemical plant in Louisiana. Koch Inudstries. (1998)
Design and Manufacture of 190 ft. Monopole
Camp Lejeune, NC. United States Cellular. (1998)
Self Support Tower Flange Manufacturing
Tulsa, OK. Plant No. 1. (1998)
Design and Manufacture 1000 ft. Guyed Broadcast Tower
Mexico, MO. (1999)
Design, Manufacture and Build 1,500 ft. Guyed Tower