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The boundaries of California were defined by Spanish claims of Mexico, as part of the province of Alta California. The northern boundary of Spanish claims was set at 42 degrees latitude by the Adams–Onis Treaty of 1819. [1] The states of Nevada and Utah, also originally part of Alta California, also use that line for their northern boundaries.
This mismatch was not possible when the census TIGER files were available in ASCII format that was topological unlike shapefiles. The Census Bureau has made the data available through WMS servers. [4] The data forms a base for OpenStreetMap in the US, and also was used for the initial import of US map data into the Waze navigation system.
Method 1 does not include the coastlines of the territories of the United States, while method 2 does. The data for method 1 was retrieved from a CRS Report for Congress [1] using data from U.S. Department of Commerce, National Oceanic and Atmospheric Administration, The Coastline of the United States, 1975. [2]
Each U.S. state contains one or more state plane zones, the boundaries of which usually follow county lines. There are 108 zones in the contiguous United States, with 10 more in Alaska, five in Hawaii, one for Puerto Rico and the United States Virgin Islands, and one for Guam. The system is widely used for geographic data by state and local ...
Coastal California is heavily influenced by east–west distances to the dominant cold California Current as well as microclimates.Due to hills and coast ranges having strong meteorological effects, summer and winter temperatures (other than occasional heat waves) are heavily moderated by ocean currents and fog with strong seasonal lags compared to interior valleys as little as 10 mi (16 km) away.
The Diablo Range is a mountain range in the California Coast Ranges subdivision of the Pacific Coast Ranges in northern California, United States. It stretches from the eastern San Francisco Bay Area at its northern end to the Salinas Valley area at its southern end.
Module:Location map/data/USA California is a location map definition used to overlay markers and labels on an equirectangular projection map of the U.S. state of California. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
The West Coast of the continental United States makes up part of the Pacific Ring of Fire, an area of heavy tectonic and volcanic activity that is the source of 90% of the world's earthquakes. [28] The American Northwest sees the highest concentration of active volcanoes in the United States, in Washington , Oregon and northern California along ...