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17
votes
3answers
381 views
How much Water on Earth(USGS) : A Wrong Map representation?
I happened to read a USGS article, How much water is there on, in, and above the Earth? showing a representation of all the water(which includes water from Oceans, Seas,Bays,Ice caps, Glaciers, ...
10
votes
2answers
156 views
What is my distance when viewing a scaled-topographic map?
A close friend from my company asked me a question about a topographic scaled map (1:25.000) that what was the altitude to a location in km (as you are viewing Earth from space) when he was viewing ...
