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Playa del Rey: Ballona Wetlands and Creek, 1902 Playa del Rey lagoon, hotel, pavilion and pier, c. 1908. Lower Playa del Rey was originally wetlands and sand dune soil, but natural flooding was halted by levees made of earthen soil, boulders and reinforced concrete with a soft-bottom submerged soil that promotes both tidal flow in good weather and facilitated the flow of freshwater into the ...
The following is a timeline for Google Street View, a technology implemented in Google Maps and Google Earth that provides ground-level interactive panoramas of cities. The service was first introduced in the United States on May 25, 2007, and initially covered only five cities: San Francisco, Las Vegas, Denver, Miami, and New York City.
The Illinois Waterway system consists of 336 miles (541 km) of navigable water from the mouth of the Calumet River at Chicago to the mouth of the Illinois River at Grafton, Illinois. Based primarily on the Illinois River , it is a system of rivers, lakes, and canals that provide a commercial shipping connection from the Great Lakes to the Gulf ...
"Ballona Watershed Map". The Ballona Creek watershed totals about 130 square miles (340 square kilometers). According to a 1948 report in the Venice Evening Vanguard, "The total area drained by Ballona Creek consists of 86 square miles (220 km 2) square miles of coastal plain and 74 square miles (190 km 2) of foothills and plain range from sea level to 250 feet (76 m) and in the mountains from ...
The Chicago Harbor Lock, also known as the Chicago River & Harbor Controlling Works, is a stop lock and dam located within the Chicago Harbor in Chicago, Illinois at the mouth of the Chicago River. It is a component of the Chicago Area Waterway System , and is used to control water diversion from Lake Michigan into the river and for navigation.
The wooden structure was in a "concealed space" under the Playa del Rey bridge, about 20 feet above the water line of the Ballona Creek flood control channel, according to the Los Angeles Fire ...
Recognizing the strategic importance of the Chicago Portage, in 1803 the new country of the United States built Fort Dearborn at the mouth of the Chicago River to guard it. [1] Flag of Chicago, Illinois. In 1848 the opening of the I&M canal allowed water transportation from the mouth of St Lawrence River through Chicago to the Mississippi River ...
Oak Street beach, 1925. Up until the late 1800s the Lake Shore sloped from Oak Street to the Chicago river in a much gentler fashion. However the construction of a shipping pier at the river led to a build up of sand and silt just to the north.