| Harbor is silting along waterfront at low tide | Weekly Times | MF 10 | 12/13/1879 | 3 | 2 | Harbor lowering | | Common Council, Harbor Silting Along Waterfront |
| Harper's of Harper Ford | Humboldt Times | MF 10 | 8/17/1952 | 21 | | Harper's | Eureka | Harper'S , Ford |
| Harpst Addition | Arcata Union | MF 713 | 3/16/1901 | 3 | 3 | Land use, land claims | Harpst Addition Arcata | Land, Claim, Subdivision |
| Harris Merce contract to erecting wharf, steam shovel displaced skeleton | Weekly Humboldt Times | MF 10 | 6/21/1888 | 3 | | Lighting, Land work | Freshwater Slough Fields Landing | Harris Merce, Contract For Erecting Buildings + Wharf, Steam Shovel Digging In Bluff, Displaced Skeleton Of Indian. |
| Harry Barnes now lives in Middletown, lake county | Humboldt Times | MF 10 | 8/14/1909 | 5 | 7 | Moving | Middletown Big Lagoon | Harry Barnes, Middletown, Big Lagoon |
| Harry Barnes resigned position as constable | Humboldt Times | MF 10 | 7/13/1909 | 5,8 | 5,1 | Position resigned | Trinidad | Trinidad Township, Harry Barnes, Position Resigned |
| Harry M. Mercer died | Daily Humboldt Times | MF 10 | 11/11/1909 | 1 | 1 | Death report | New Brunswick | Harry M. Mercer, Died, Article, |
| Harry Weber Construction Company awarded 3 contracts | Humboldt Times | MF 10 | 4/18/1929 | 1 | 3 | Contract | Orick Russ Grove Elk River | Harry Weber Construction Company, 3 Contracts |
| Harvey Banks wrote letter to Joint Comm. | Humboldt Times | MF 10 | 9/1/1957 | 1 | 3 | Letter | Eel River project | Harvey Banks, Eel River Project, Letter |
| Harvey Harper has sold 32 Fords in 35 days. | Humboldt Times | MF 10 | 9/5/1915 | 11 | | Ad | | Car, Ad |
| Harvey Hemphill building cabin at Big Lagoon | Humboldt Times | MF 10 | 9/22/1929 | 2 | 3 | Building Construction | Big Lagoon Crannell | Harvey Hemphill, Cabin |
| Hauling gravel that is being placed on county road | The Humboldt Times | MF 10 | 10/3/1907 | 7 | 7 | Road work | Harries Creek Little River Bridge | Hauling Gravel, Fred Underwood, Norman Underwood |
| Havey teams with freight arriving in Garberville | Humboldt Times | MF 10 | 10/27/1904 | 6 | 2 | Freight shipment | Garberville Shelter Cove Dyerville | Teams, Freight, Joe Thomas, Commercial Hotel Liver Business |
| Hazy in answers about diversion | Humboldt Times | MF 10 | 9/30/1952 | 1 | | Diversion | | Diversion, Bureau |
| HBMWD approved engrg report for construction of Matthews Dam | Humboldt Times | MF 10 | 10/22/1960 | 1 | | Legal Notice | Matthews Dam | Hbmwd, Matthews Dam, Report, Application, Grant |
| HBMWD began first steps leading to building of Ruth Dam to start | Humboldt Times | MF 10 | 9/27/1956 | 1 | 1 & 2 | Dam work | Ruth Dam | Ruth Dam, Hbmwd, Began |
| HC BOS accepted bond from PG&E for new access road 101 | Humboldt Times | MF 10 | 8/2/1954 | 1 | | PG&E | Buhne Point | Pg&E, Steam Plant, Buhne Point, Infrastructure, Roads, Highway 101 |
| HCHS announcing sale of annual yearbook | Humboldt Times | MF 10 | 9/29/1949 | 10 | 5 | Book sale | | Hchs, Book Sale |
| HCHS to lead caravan down the Wildcat Road | Humboldt Times | MF 10 | 7/4/1961 | 9 | 2 | Caravon | Whiskey Flat Bunker Hill Joel Flat | Caravan, Wildcat Road, Hchs |
| head of South jetty completed in 2 wks | Humboldt Times | MF 10 | 9/15/1926 | 2 | | Infrastructure | | South Jetty, Humboldt Bay |
| Healy Bros. & Knowles Evans win contract | Daily Humboldt Standard | MF 9 | 8/21/1908 | 3 | 3 | Contract | | Healy Bros., Knowles Evans, Contract, Brick Building |
| Hearing for harbor improvements | Humboldt Times | MF 10 | 1/24/1948 | 2 | | Hearing | | Hearing, Harbor Improvements |
| Hearing in Redding on reauthorization of the Trin PIV of the CVP | Humboldt Times | MF 10 | 4/8/1954 | 1 | | Committees | Redding | Redding, Congressional Committees |
| Hearing on Diversion of Eel River | Humboldt Times | MF 10 | 9/29/1927 | 7 | 1 | Hearing | Eel River | Diversion Of Eel River |
| Hearing on proposed interchange on 101 at 4th street | Humboldt Times | MF 10 | 10/5/1960 | 9 | | Hearing | Arcata | Hearing, Proposed, Interchange |
| Hearing on Snow Mtn. Water Project | Humboldt Times | MF 10 | 9/11/1923 | 1 | | Hearing | | Hearing, Snow Mtn. Water Project |
| Hearing with ranchers presented damage for erosion during flood | Humboldt Times | MF 10 | 8/11/1945 | 2 | 1 | Hearing | Eel delta | Flood, Eel Delta, Ranchers, Erosion Losses |
| Heavy construction of dam to start soon | Humboldt Times | MF 10 | 10/11/1938 | 1 | 3 | Dam work | Shasta Dam | Construction, Shasta Dam, Central Valley Project |
| Heavy fire in Humboldt & Mendocino Counties | Humboldt Times | MF 10 | 9/27/1931 | 1 | | Fires | Humboldt County Mendocino County | Fires Out Of Control |
| heavy gale wind from NW | Daily Humboldt Times | MF 10 | 9/4/1878 | 3 | 2 | Weather | | Heavy Gale Wind, Dust Blinding Clouds |
| Heavy rain & flooding | Humboldt Times | MF 10 | 2/22/1927 | 1 | | Weather | Carlotta | Carlotta Bridge, Flooding |
| Heavy rainfall seen in data from W.H. Roscon | Weekly Humboldt Times | MF 10 | 2/9/1888 | 2 | | Weather | Mattole | Mattole High Water Level, W.H. Roscon |
| Heavy rains moved logs | Humboldt Times | MF 10 | 12/28/1880 | | | Weather | Elk River Mad River Ryan's Slough | Heavy Rains Moved Logs, Elk & Mad Rivers |
| Heavy sea damage to north jetty | Humboldt Times | MF 10 | 10/3/1924 | 5 | 2 | Damage | North Jetty Trinidad Quarry | North Jetty, Sea Damage |
| Henry O. Wallace died | Humboldt Times | MF 10 | 10/26/1924 | 1 | | Death report | | Died, Henry O. Wallace, Fed. Power Commission |
| Henry Padgett to build bridge over upper Bear River | Humboldt Times | MF 10 | 9/16/1936 | | | Bridge work | Upper Bear River Lowry | Lowry, Upper Bear River, Henry Padgett |
| Herbert Hoover to the Klamath | Humboldt Times | MF 10 | 7/22/1928 | 7 | | Fishing trip | Klamath | Herbert Hoover, Fishing, Klamath |
| Herbert Hoover's visti to Bull Creek flat | Humboldt Times | MF 10 | 7/25/1928 | 1 | | Presidential candidate | Bull Creek Flat Oregan Mt Shasta | Presidential Candidate Hoover, Bull Creek Flat , Plans, Highway |
| Herbert W. Hunt vs. Paul Williamson | Humboldt Times | MF 10 | 9/14/1929 | 9 | 5 | Court Case | Mad River | Herbert W. Hunt, Paul Williamson |
| Herman Foland & Gibert Hunter restarted their whaling operations | Humboldt Times | MF 10 | 3/10/1951 | 3 | 2 & 3 | Photo & article | Fields Landing | Whaling, Restarted, Dennis Gayle |
| Herrick, Blair and Aikman survey & locate road | Weekly Times | MF 10 | 5/15/1880 | 1 | 2 | Survey Team | Vance's bridge Worth's Place | Vance'S Bridge, Herrick, Blair, Aikman, Worth'S Place |
| high gale speed | Daily Times Telephone | MF 10 | 1/31/1886 | 3 | 1 | Weather | Cape Mendocino | Capt. Leavitt, Cape Mendocino Light Signal Staten |
| High school | Arcata Union | MF 713 | 8/5/1903 | 3 | 3 | Arcata high school | Arcata | High School, William Smith, Land Clearance |
| High surf | Western Watchmen | | 12 /18/1997 | 3 | 1 | Notes from old newspaper from Jacque Smith rec'd 12-9-2010 | Little River Beach Beach mine Close and Hill Mine | Surf, Damage, Sand Dunes |
| High tide lead to some flooding | Daily Humboldt Times | MF 10 | 1/17/1878 | 3 | 1 | High tide | | High Tide, 3Rd Street Between C & D |
| High water on Little River | Daily Humboldt Times | MF 10 | 1/25/1878 | 3 | 1 | River levels | Little RIver | Little River, High Water |
| High wind speeds, trees blown down | Humboldt Times | MF 10 | 2/22/1936 | 1 | | Weather | Crescent City | Crescent City, High Gale Wind Speeds |
| Highway 101 construction between Cloverdale to Hopland | SF Examiner | | 2/11/1934 | Automotive | News Section | Highway 101 | Russian River Cloverdale Hopland | Highway 101, Mendocino County, Russian River, Hopland,Pieta Grade |
| Highway 101 construction Willits, Cummings, Garberville | Humboldt Standard | MF 9 | 3/9/1917 | 3 | 4 | Highway 101 | Willits Garberville Miranda | Redwood Highway, Convict Labor, Bell Springs, Road Bond Issue |
| Highway 101 from Sausalito to Eureka route | Humboldt Standard | MF 9 | 6/22/1917 | 1 | | Redwood Highway., Highway 101, | Cummings Garberville Sausalito | Highway 101 Construction, Cummings, Garberville, Convict Labor, C. F. Stern |
