Approximately 40 min after the earthquake, an enormous tsunami engulfed the harbour and downtown, rushing up the Tagus river, " so fast that several people riding on horseback ... were forced to gallop as fast as possible to the upper grounds for fear of being carried away ".

Approximately 42 % of the Tame basin is urbanised, making it the most heavily-urbanised river basin in the United Kingdom.

Approximately 6, 000 years ago, Tampa Bay formed as a brackish drowned river valley type estuary with a wide mouth connecting it to the Gulf of Mexico.

Approximately 3 million m³ of mud and clay slid into the river valley, blocking the river's flow for three days.

Approximately of the watershed of the river are included in the Manumuskin River Preserve, established in 1983, the largest conservancy of its kind in New Jersey.

Approximately long from its mouth to its farthest headwaters on the East Fork, the river descends from wilderness areas in the Cascade Range on Mount Hood and flows through the agricultural Hood River Valley to join the Columbia River in the Columbia River Gorge.

Approximately upstream from Elko, the river receives the North Fork of the Humboldt River, and receives the South Fork approximately downstream of Elko.

Approximately 8 mi ( 13 km ) west of the Idaho-Montana state line, the river enters the eastern end of Lake Pend Oreille, near the town of Clark Fork.

Approximately 25 miles ( 40 km ) long, the river drains a remote area of the Coastal Range into the Pacific Ocean.

Approximately downstream from the confluence, the channel of the river divides, with the Mobile flowing along the western channel.

Approximately of the middle course of the river in Temecula Canyon are owned and managed by San Diego State University as the Santa Margarita Ecological Preserve.

Approximately one mile below its source, Little River absorbs several smaller streams at an area known as Three Forks, where the river gains considerable strength.

Approximately 85, 000 residents of these communities draw drinking water from the river.

Approximately 15 km west of Bern, the river flows into the Aar.

Approximately ten tributaries feed this river, whose course ends in the Serra de Água, and much later empties into the Atlantic along the village's coast.

Approximately one sixth of the annual sediment flow in all New Zealand river systems is in the Waiapu River, which continues to be one of the most sediment laden rivers in the world.

Approximately 400 bison and a few dozen elk are protected in the 19, 000 acre ( 77 km < sup > 2 </ sup >) Fort Niobrara National Wildlife Refuge, which is located along the river.

Approximately of new river channel was constructed to route the river into the aqueduct.

Approximately 75 % of the island's population is located in the Cape Breton Regional Municipality ( CBRM ) which includes all of Cape Breton County and is often referred to as Industrial Cape Breton, given the history of coal mining and steel manufacturing in this area.

Approximately 120, 000 adults in Hillsborough County are considered illiterate or read below the fourth grade level.

* Madison Collection Approximately 1, 000 photographs of Madison County area people, industries, and agriculture.

* Connell Collection Approximately 550 photographs of Volusia County and the surrounding area taken between 1900 and 1915.

Approximately $ 45 million was generated by farming in Uvalde County in 1974.

Approximately 75 % of the population of Harney County lives in the Burns-Hines municipal district.

Approximately 18. 59 % of the population were Hispanic or Latino of any race, making Sullivan County the most heavily Hispanic / Latino county in Missouri.

Approximately 37 % of the population of LaGrange County is Amish, and the county is home to the third largest Amish community in the United States.

Approximately 8, 000 to 10, 000 Chumash lived on the south coast of Santa Barbara County when Portuguese explorer João Cabrilho sailed through the Santa Barbara Channel in 1542, anchoring briefly in the area.

Approximately 40 % of the city is located in Pickens County and 60 % in Cherokee County.

Approximately 100, 000 Napervillians live in DuPage County, while about 45, 000 reside in Will County.

Approximately six weeks later Ulysses's first newspaper, The Grant County Register, began publication.

Approximately one-half of the subdivision is within an unincorporated area of Boone County, which is adjacent the Greater Cincinnati International Airport.

Approximately one hundred Protestants from Loughgall Parish, County Armagh, were executed by mobs at the bridge over the River Bann near Portadown, Ulster.

Approximately ninety percent of Forestburgh ’ s is forested land ; this percentage is believed to be the highest in Sullivan County.

" Approximately 85 children from 10 to 15 years of age attended the first meeting on January 15, 1902 in Springfield, Ohio, in the basement of the Clark County Courthouse.

Approximately mid-way along the new streetcar route from Richmond through eastern Henrico County, Read bought a tract of land and divided it into lots.

Approximately three miles south of Ridgeway in Henry County on U. S. Route 220 is a Virginia State historic marker noting the passing of the surveying party of William Byrd II, who moved through the area in 1728 on his expedition to survey the dividing line between Virginia and North Carolina.

Approximately 420 Americans ( apart from Indians ) resided in what is now Pierce County in 1858.

Approximately half of the village lies in Marathon Township in Lapeer County and half in Forest Township in Genesee County.

Approximately half of the Kings County population lives in suburbs of the nearby city of Saint John.

Approximately 100 African-American farmers, led by Robert L. Hill, the founder of the Progressive Farmers and Household Union of America, met at a meeting at a church in Hoop Spur in Phillips County, nearby Elaine.

Approximately mid-way between the former Councils of Footscray and Sunshine in the heart of the western suburbs before the more recent urban sprawl and due west from the Melbourne CBD along Ballarat Road, Braybrook is starting to resemble a bedroom community due to a recent expansion of the western suburbs of Melbourne which are far less populated than the east.