Search results
Results from the WOW.Com Content Network
A National Atlas map from 2002 National Atlas map (from circa 2005) depicting historical United States territorial acquisitions. The National Atlas of the United States was an atlas published by the United States Department of the Interior from 1874 to 1997. Older editions were printed, but the most recent edition was available online.
The National Map is a significant contribution to the U.S. National Spatial Data Infrastructure (NSDI) from the Federal Geographic Data Committee (FGDC) and currently is being transformed to better serve the geospatial community by providing high quality, integrated geospatial data and improved products and services including new generation ...
A map of the Strategic Highway Network, one component of the NHS Map of average freight truck traffic on the NHS in 2015. According to the Federal Highway Administration, the 160,000-mile (260,000 km) National Highway System includes roads important to the United States' economy, defense, and mobility, from one or more of the following road networks (specific routes may be part of more than ...
The Pershing Map FDR's hand-drawn map from 1938. The United States government's efforts to construct a national network of highways began on an ad hoc basis with the passage of the Federal Aid Road Act of 1916, which provided $75 million over a five-year period for matching funds to the states for the construction and improvement of highways. [8]
Map of the Interstates in Puerto Rico. Puerto Rico signs its Interstate Highways as territorial routes, as the numbers do not match their official Interstate Highway designations. Many of the territory's routes are freeway-standard toll roads. [10]
Maps of the New World had been produced since the 16th century. The history of cartography of the United States begins in the 18th century, after the declared independence of the original Thirteen Colonies on July 4, 1776, during the American Revolutionary War (1776–1783). Later, Samuel Augustus Mitchell published a map of the United States ...
Major routes from the earlier map were assigned numbers ending in 0, 1 or 5 (5 was soon relegated to less-major status), and short connections received three-digit numbers based on the main highway from which they spurred. The five-man committee met September 25, and submitted the final report to the Joint Board secretary on October 26. [1]
The total area protected by national parks is approximately 52.4 million acres (212,000 km 2), for an average of 833 thousand acres (3,370 km 2) but a median of only 220 thousand acres (890 km 2). [8] The national parks set a visitation record in 2021, with more than 92 million visitors. [9]