| F.W. Smythe plans to resume auto-stage service between Longvale and Youngs | Humboldt Times | MF 10 | 4/18/1913 | 1 | 6 & 7 | Services | Longvale Youngs Fort Seward | F.W. Smythe, Auto-Stage Service , Fort Seward, Nwp Rr |
| Failed to get biplane off ground | Humboldt Times | MF 10 | 7/5/1910 | 1 & 5 & 4 | | Biplane | | Failed, Biplane |
| Fairhaven is to have a fine new school building established. | Humboldt Times | MF 10 | 9/22/1917 | 1 | 6 | School construction | Fairhaven | School, Construction, District |
| Fairhaven shipyards | Humboldt Standard | MF 9 | 3/30/1917 | 1 | 2 | Shipyards | Fairhaven | Employment, Shipyards, Fairhaven, Mayor Ralph |
| Falk Mill | Humboldt Times | MF 10 | 7/1/1890 | | | Infrastructure-fire | Elk River | Falk Mill, Elk River, Fire |
| Family dealing with Flood | Daily Humboldt Times | MF 10 | 1/4/1890 | 3 | | Flood | Eel River bottom | Eel River, Flood, 1890, Family |
| Farris Lumber Company | Humboldt Times | MF 10 | 8/2/1953 | 11 | | Aerial Photo | Alton | Farris Lumber Company, Alton |
| Fay Shipbuilding | Humboldt Times | MF 10 | 7/30/1917 | 1 | 6 | Maritime | Fairhaven | Wooden Ships, Construction, Shipbuilding |
| Fay's Scows got stuck on the mud | Daily Humboldt Standard | MF 9 | 1/18/1896 | 4 | 2 | Boat stuck | Fay's Slough | Fay'S Scow, Fay'S Slough, Steamer |
| Feather River Project in early planning stages | Humboldt Times | MF 10 | 1/7/1951 | 5 | | Project | Feather River | Feather River Project, Planning Stage |
| Feature article & photos of new fish processing plant | Humboldt Times | MF 10 | 9/25/1960 | 10 & 11 | | Feature article & Photos | Fields Landing | Eureka Fisheries Inc., Feature Article, Fish Processing Plant |
| Fed. funds appropriated | Humboldt Times | MF 10 | 7/8/1948 | 3 | 3 | Funds | Murray Feld | Fed. Funds |
| Federal building to occupy by December | Humboldt Times | MF 10 | 8/11/1910 | 10 | 2 | New building | | Occupy, Federal Building , Readly |
| Federal CAA approved additional educational institutions participation | The Humboldt Times | MF 10 | 10/17/1939 | 1 | 2 | Training program | Santa Rosa J. College Humboldt State College Murray Field | Caa, Educational Institutions, Civil Pilot Training Program, Murray Field |
| Federated Women's Club to invite John Muir to Humboldt | Humboldt Times | MF 10 | 10/1/1913 | 1 | 6 & 7 | Visit | | John Muir, Federated Women'S Club, Best Site, National Rw Park |
| Ferdinand A. Silcox supports the project of creating a RW National Forest. | Humboldt Times | MF 10 | 8/15/1934 | 1 | 7+8 | Article | Sausalito Oregon | Redwood National Forest, United States Forest Service |
| Fernbridge | Humboldt Times | MF 10 | 10/6/1949 | 7 | | Short Article | Fernbridge | Fernbridge |
| Ferndale | Humboldt Times | MF 10 | 8/24/1952 | 10 | | History | Ferndale | Ferndale |
| Ferndale | Humboldt Times | MF 10 | 8/17/1952 | 9,7 | | History | Ferndale | Ferndale |
| Ferndale City Council discuss proposed location of new sewage plant | Humboldt Times | MF 10 | 3/11/1949 | 9 | | New sewage plant | Ferndale | Ferndale, Sewage Plant |
| Ferndale without power, and cable at Singley's Ferry went down river | Daily Humboldt Times | MF 10 | 1/9/1909 | 1 | 1 | Weather damage | Ferndale Singley's Ferry | Ferndale, Without Power |
| Ferry service has been maintained | Humboldt Times | MF 10 | 3/5/1929 | 7 | 3 | Ferry announcement | Shively | Ferry, Floods, Rain |
| Fields Landing Whaling Station | Humboldt Times | MF 10 | 1/16/1949 | 14 | 7 | Whaling numbers | Fields Landing | Fields Landing, Whaling Station |
| Fill at Mill Creek will be completed in about 10 days | Humboldt Times | MF 10 | 7/7/1922 | 2 | 1 | Road work | Mill Creek Cape Horn | Fairbanks, Mill Creek, Fill |
| Filling up the gulch | Daily Times Telephone | MF 10 | 2/10/1886 | 3 | 1 | Land work | | Gulch, H Street |
| Filming "The Valley of the Giants" | Humboldt Times | MF 10 | 9/11/1927 | 2 | | Filming | Arcata | Arcata Hotel, The Valley Of The Giants |
| Final approval for re-location of 4 lane highway | Humboldt Times | MF 10 | 9/20/1949 | 1 | 1,2 | Re-location of highway | Arcata Eureka | Re-Location Of Highway, Arcata |
| Final coat of gravel on new section of 101, new fill for Wilson Creek bridge | Humboldt Times | MF 10 | 8/27/1938 | 4 | | Road work | Wilson Creek Del Norte County | Coat, Gravel & Oil, 101, Wilson Creek Bridge |
| Final pilings for the Eureka Fisheries whorf will be driven today. | The Humboldt Times | MF 10 | 11/13/1947 | 1 | 6 | Notice | Eureka | Railroad, Whorf, Roads |
| Final plans for speedboat regatta | Humboldt Times | MF 10 | 9/10/1931 | 8 | 2 | Event plans | Big Lagoon | Plans, Speed Boat Regatta |
| Final resurfacing of Rohnerville Airport | Humboldt Times | MF 10 | 5/5/1949 | 10 | | Airport work | Rohnerville | Rohnerville Airport, Southwest, United Airlines |
| Final Resurfacing of runway at Rohnerville Airport completed | Humboldt Times | MF 10 | 7/23/1949 | 6 | | Surfacing | Rohnerville Airport | Rohnerville Airport, Surfacing |
| Final seal coat needed on 101 from 101/299 junction to North Bank road | Humboldt Times | MF 10 | 11/6/1959 | 17 | 5 | Road work | Eureka Bella Vista Hill | Seal Coat, New Bridge, |
| Final work on southbound bridge over Mad River | Humboldt Times | MF 10 | 7/10/1958 | 23 | | Infrastructure-bridge | Mad River | Lawell Allen, Southbound Bridge |
| Fire at 60 year old Trinidad Hotel | Humboldt Times | MF 10 | 10/23/1953 | 1 | | Hotels | Trinidad | Hotels, Fires, Trinidad |
| Fire burned down old Spiers Mill on Alliance | Humboldt Times | MF 10 | 9/13/1960 | 3 | | Fire | Arcata | Fire, Spiers Mill, Sunset Addition |
| Fire burned up old hotel | The Humboldt Times | MF 10 | 5/10/1955 | 5 | 1 - 4 | Fire | Trinidad | Fire, Old Hotel |
| Fire caused heavy damage to Burnt Ranch | Humboldt Times | MF 10 | 7/5/1934 | 3 | 3 | Fire | | Fire, Explosion, Burnt Ranch |
| Fire damaged old South Bay Hotel | Humboldt Times | MF 10 | 10/2/1929 | | 1 | Fire ropert | Old South Bay Hotel Fields Landing | Old South Bay Hotel, Fire, Nwp |
| Fire damages A.K. Wilson plant | Humboldt Times | MF 10 | 3/8/1951 | 1 | 6 - 8 | Fire | A.K. Wilson plant | Fire, Damaged, A.K. Wilson Plant |
| Fire destroyed C & M Lumber Mill | Humboldt Times | MF 10 | 10/22/1952 | 1 | | Fire | Pigeon Point Old Arcata Road | Fire, C & M Lumber Mill |
| Fire destroyed Camp 24 | Humboldt Times | MF 10 | 11/12/1926 | | 1 | Fire | East of Little River Junction | Little River Junction, Camp 24, Fire |
| Fire destroyed Cheney Stud Mill | Humboldt Times | MF 10 | 8/22/1963 | 1 | | Article | Arcata | Cheney Stud Mill |
| Fire destroyed creamery #1 of United Creamery company last night | Daily Humboldt Times | MF 10 | 6/17/1909 | 8 | 4 | Fire | Arcata Bottom | Arcata Bottom, Fire, United Creamery Company |
| Fire destroyed home of Soren Holgerson | Humboldt Times | MF 10 | 8/27/1933 | 1 | 5 | Fire | DeVoy property Murrayfield | Fire, Home, Devoy Property |
| Fire destroyed old Dolbeer Carson logging camp | Humboldt Times | MF 10 | 2/24/1953 | 1 | | Fire | Dolbeer Carson logging camp | Old Dolbeer Carson Logging Camp, Fire |
| Fire destroys County Library | Humboldt Times | MF 10 | 6/4/1953 | 1 | | Building | Eureka | Fire, County Library , Settlement Houses |
| Fire destroys Sternwheeler Antelope | Humboldt Times | MF 10 | 5/15/1951 | | | Fires | | Fires |
| Fire in Fort Seward | Humboldt Times | MF 10 | 9/6/1951 | 1 | | Fire | Fort Seward | Fort Seward, Fire |
| Fire In the woods | Humboldt Times | MF 10 | 5/2/1909 | 1 | 5 | Fires | | Disastrous Fires, 1908 Fall |
