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I am unable to display topo maps in google earth.<br />
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I download the kml file from here:<br />
<a href="http://www.gelib.com/usgs-topographic-maps-2.htm" rel="ugc">http://www.gelib.com/usgs-topographic-maps-2.htm</a><br />
It appears in the Places section of Google Earth like so:<br />

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USGS topo maps<br />
&nbsp; &nbsp; Select USGS topo maps for the United States<br />
&nbsp; &nbsp; Copyright 3Dsolar ltd c <a href="http://www.3dsolar.com" rel="ugc">www.3dsolar.com</a>
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The checkbox is checked, but I don't see any topo maps.<br />
What am I doing wrong?
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I am unable to display topo maps in google earth.

I download the kml file from here:
http://www.gelib.com/usgs-topographic-maps-2.htm
It appears in the Places section of Google Earth like so:
USGS topo maps
    Select USGS topo maps for the United States
    Copyright 3Dsolar ltd c www.3dsolar.com
The checkbox is checked, but I don't see any topo maps.
What am I doing wrong?

Display topo maps in google earth

The Global Positioning System (GPS) is a space-based global navigation satellite system (GNSS) that provides reliable location and time information in all weather and at all times and anywhere on or near the Earth when and where there is an unobstructed line of sight to four or more GPS satellites. A geographic information system (GIS) or geospatial information system is any system that captures, stores, analyzes, manages, and presents data that are linked to location(s). In the simplest terms, GIS is the merging of cartography, statistical analysis, and database technology.

GIS/GPS Programming

Software is any set of instructions that directs a computer to perform specific tasks or operations. Computer software consists of programs, libraries and related non-executable data (such as documentation). Computer software is non-tangible, contrasted with computer hardware, which is the physical component of computers. Software written in a machine language is known as "machine code". However, in practice, software is usually written in high-level programming languages than machine language. High-level languages are translated into machine language using a compiler or interpreter or a combination of the two.