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Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
including 1:50k topographic map Serbia: Republički geodetski zavod (RGZ) Republic Geodetic Authority: rgz.gov.rs: Geoportal geoSrbija: Slovakia: Úrad geodézie, kartografie a katastra (Authority of Geodesy, Cartography and Cadastre) skgeodesy.sk Kataster Archived 2018-09-03 at the Wayback Machine: Geoportal Mapový Klient ZBGIS Cadrastal ...
The Philippines' National Mapping and Resource Information Authority (Filipino: Pambansang Pangasiwaan sa Pagmamapa at Dulugang Kaalaman), abbreviated as NAMRIA, is an agency of the Philippine government under the Department of Environment and Natural Resources responsible for providing the public with mapmaking services and acting as the central mapping agency, depository, and distribution ...
It provides topographic maps and data to meet the needs of the sustainable development of the nation. The Office of Spatial Data Management provides an online free map service MapConnect. [12] These topographic maps of scales 1:250,000 and 1:100,000 are available in printed form from the Sales Centre.
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Mount Guiwan is a mountain in the Sierra Madre range in Alfonso Castañeda, Nueva Vizcaya, Philippines.It is probably the highest peak of Sierra Madre mountain range with a height of 1,915 metres (6,283 ft) above sea level according to NAMRIA topographic map.
OpenStreetMap (abbreviated OSM) is a free, open map database updated and maintained by a community of volunteers via open collaboration. [4] Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources.
Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.