TopoZone is a website operated by Locality LLC that offers free online topographic maps.
It was founded in November 1999 by Ed McNierney whose company Maps a la carte, Inc. operated out of North Chelmsford, Massachusetts. Prior to founding the company, McNierney, an organic chemistry graduate of Dartmouth College, was chief technology officer for Eastman Software, a division of Eastman Kodak.
In 2003 the company partnered with the National Map making its 20-Terabyte library of digital topographic maps and aerial photography available to the USGS. The 2003 press release of the partnership said that 300 million maps had been served from 1999 to 2003.
TopoZone was one of the first topographic mapping site on the web, providing visitors with free viewing and printing of the full set of United States Geological Survey topographic maps covering the entire United States. The maps are produced by the USGS, which encourages the distribution of their maps through business partners. TopoZone offered aerial photographs from the USGS and street maps from the United States Census Bureau. In 2007 complete coverage of Canada was added, using the topographic map series produced by Natural Resources Canada.
In 2007 McNierney sold the company to Demand Media and stayed on as chief mapmaker until the company was taken over by Trails.com.
On April 9, 2008, Topozone was incorporated into Demand Media's Hillclimb Media subsidiary Trails.com. Links to individual TopoZone maps now forward to Trails.com, with maps limited to small size and strongly watermarked. An annual $50 subscription is required to access larger maps without watermarks.
Demand Media discontinued the site in 2014 and it was eventually acquired by Locality LLC and relaunched in December 2015.
Topography concerns the shape and character of the Earth's surface, and maps were among the first artifacts to record these observations. In modern mapping, a topographic map or topographic sheet is a type of map characterized by large-scale detail and quantitative representation of relief, usually using contour lines, but historically using a variety of methods. Traditional definitions require a topographic map to show both natural and artificial features. A topographic survey is typically based upon systematic observation and published as a map series, made up of two or more map sheets that combine to form the whole map. A topographic map series uses a common specification that includes the range of cartographic symbols employed, as well as a standard geodetic framework that defines the map projection, coordinate system, ellipsoid and geodetic datum. Official topographic maps also adopt a national grid referencing system.
The Granite Mountains are a short subrange of the Rocky Mountains in central Wyoming of the United States. The range runs approximately 100 mi (160 km) E-W along the south side of the Shoshone Basin, and north of the Sweetwater River, in eastern Fremont County and western Natrona County. The highest point is McIntosh Peak at 8,058 feet (2,456 m). Independence Rock is at the east end of the range, and Split Rock was a prominent landmark on the Oregon Trail. The region is rich in uranium and other mineral deposits.
Deep River is a tributary of the Cape Fear River, approximately 125 miles (200 km) long, in north central North Carolina in the United States. Deep River is a translation of the Indian name sapponah, "deep river".
DeLorme is a producer of personal satellite tracking, messaging, and navigation technology. The company’s main product, inReach, integrates GPS and satellite technologies. inReach provides the ability to send and receive text messages anywhere in the world by using the Iridium satellite constellation. By pairing with a smart phone, navigation is possible with access to free downloadable topographic maps and NOAA charts. On February 11, 2016, the company announced that it had been purchased by Garmin, a multinational producer of GPS products and services.
Accotink Creek is a 25.0-mile-long (40.2 km) tributary stream of the Potomac River in Fairfax County, Virginia, in the United States. At Springfield, Virginia, Accotink Creek is dammed to create Lake Accotink. The stream empties into the Potomac at Gunston Cove's Accotink Bay, to the west of Fort Belvoir.
Raccoon Creek is a tributary of the Ohio River in Beaver County, Pennsylvania, United States.
Marshyhope Creek is a 37.0-mile-long (59.5 km) tributary of the Nanticoke River on the Delmarva Peninsula. It rises in Kent County, Delaware, and runs through Caroline County, Maryland, and Dorchester County, Maryland.
Oil Creek is a 46.7-mile (75.2 km) tributary of the Allegheny River in Venango and Crawford counties in the U.S. state of Pennsylvania. It has a drainage area of 319 square miles (830 km2) and joins the Allegheny at Oil City. Attractions along the river include the Drake Well Museum and Oil Creek State Park. The stream was named after the oil that was found along its banks before the historic oil strike by Edwin Drake in Titusville, which Oil Creek flows through. Oil Creek is popular with canoeists and fishers. The creek is rated as a beginners creek for those interested in learning how to safely use canoes and kayaks. Oil Creek is a cold water fishery with bass and trout living in its waters.
Crabtree Creek is a tributary of the Neuse River in central Wake County, North Carolina, United States. The creek begins in the town of Cary and flows through Morrisville, William B. Umstead State Park, and the northern sections of Raleigh before emptying into the Neuse at Anderson Point Park, a large city park located in East Raleigh.
TopoQuest is a free web mapping service built on open source software that provides internet-based topographic maps for most of the United States.
Accokeek Creek is a tidal tributary of Potomac Creek, itself a tributary of the Potomac River, in Stafford County, Virginia, United States. From it headwaters to its mouth, Accokeek Creek is 15.4 miles (24.8 km) in total length.
The Abagadasset River is a 16.0-mile-long (25.7 km) river in Richmond and Bowdoinham, Maine, flowing into Merrymeeting Bay, part of the estuary of the Kennebec River.
The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization's work spans the disciplines of biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility.
Little Butte Creek is a 17-mile-long (27 km) tributary of the Rogue River in the U.S. state of Oregon. Its drainage basin consists of approximately 354 square miles (917 km2) of Jackson County and another 19 square miles (49 km2) of Klamath County. Its two forks, the North Fork and the South Fork, both begin high in the Cascade Range near Mount McLoughlin and Brown Mountain. They both flow generally west until they meet near Lake Creek. The main stem continues west, flowing through the communities of Brownsboro, Eagle Point, and White City, before finally emptying into the Rogue River about 3 miles (5 km) southwest of Eagle Point.
Sheep Creek is a geographical place name. With variations, the name is given to hundreds of bodies of water, roads, canals, reservoirs and populated areas in the United States and other countries. It is the name of a tributary to Lockyear Creek in Queensland, Australia, and the name of at least three bodies of water in Canada. The U.S. state of Montana has 85 different locales that bear that name or a derivation. The U.S. state of Idaho has 92 natural and man-made areas that incorporate Sheep Creek into their names. Nature areas that include trails named Sheep Creek can be found in Canada's Yukon Territory, Colorado's Larimer County and in Utah's Bryce Canyon National Park.
East Branch Oil Creek is a 10.9-mile (17.5 km) 4th order tributary to Oil Creek in Crawford County, Pennsylvania.
Mill Creek is a 7.80 mi (12.55 km) long 3rd order tributary to the Little River in Moore County, North Carolina.
Belltown Run is a 4.49-mile-long (7.23 km) stream in northern New Castle County, Delaware in the United States.
Muddy Run is a 6.61-mile-long (10.64 km) stream in northern New Castle County, Delaware in the United States.
Rocky River is a 42.5 mi (68.4 km) long 5th order tributary to the Deep River in Chatham County, North Carolina.
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