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topographic map
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topographic map topographic map A lidar map of the World Trade Center site (below centre left) and vicinity after the September 11 attacks, New York City, 2001. Lidar data helped to identify the height of the rubble so that appropriate cranes could be used to remove it. The lidar data collected from flyovers provided building and utility engineers with the information they needed to locate the World Trade Center's original foundation support structures.
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Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)
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Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland
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The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)
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Saint Lucia Day. Young girl wears Lucia crown (tinsel halo) with candles. Holds Saint Lucia Day currant laced saffron buns (lussekatter or Lucia's cats). Observed December 13 honor virgin martyr Santa Lucia (St. Lucy). Luciadagen, Christmas, Sweden
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The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.
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Four year old boy with grandfather and father lighting Hanukkah menorah. Photo taken on: December 21st, 2009
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Srinivasa Ramanujan, Indian mathematician and autodidact.
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Monitor. Varanus salvadorii is a monitor lizard found in New Guinea can grows to 2.7 metres (9 ft.) aka Tree crocodile, Crocodile monitor, Salvadori's monitor, artellia, reptile
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topographic map: References & Edit History

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Article History

Type Description Contributor Date
Invalidated site: Academia - What is a Topographic Map. Nov 26, 2024
Add new Web site: University of Florida - IFAS Extension - An Introduction to USGS Topo Maps. Nov 26, 2024
Add new Web site: Food and Agriculture Organization of the United Nation - Topographical Plans and Maps. Oct 15, 2024
Add new Web site: University of Hawai'i - Honolulu Community College - Reading Topographic Maps and Making Calculations. Sep 03, 2024
Add new Web site: Intergovernmental Committee on Surveying and Mapping - Topographic Maps. Mar 15, 2024
Add new Web site: Natural Resources Canada - Topographic Maps: The basics. Feb 02, 2024
Add new Web site: Academia - What is a Topographic Map. Dec 12, 2023
Add new Web site: Digital Atlas of Idaho - Understanding Topographic Maps. Sep 22, 2023
Add new Web site: Florida Museum - How to Use Topographic Maps. May 28, 2023
Media added. May 13, 2011
Added new Web site: Idaho State University - What is a Topographic Map? Apr 01, 2009
Added new Web site: USGS Publications Warehouse - Features shown on Topographic Maps. Apr 01, 2009
Media added. Sep 15, 2008
Article added to new online database. Jul 20, 1998
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