The 138th meridian west is a line of longitude that is located 138 degrees west of the Prime Meridian, which is established at 0 degrees longitude. This meridian runs from the North Pole to the South Pole and crosses through various regions of North America, the Pacific Ocean, and Antarctica. In North America, the 138th meridian west passes through the United States and Canada. It is often used as a reference point for geographical and time zone purposes.
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