A so-called "quarter-degree map" is a map that depicts an area comprised of
15 minutes (1/4 degree) of latitude by 15 minutes (1/4 degree) of longitude.
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http://maps.google.com/maps?q=10N%2030EIn case you aren't in a clicking mood, it looks like Norway.
Historical maps have the same basic characteristics of maps in general: scale, projection used, degree of generalization, and symbolism. The basic characteristics of historical maps determine how relevant it is today.
The semi-circle shape can be the 1st or 3rd quarter. Perhaps you would want to double check, but I believe that if the "flat" side of the shape is facing to the left, that is the 1st quarter; to the right - 3rd quarter.
Yes, the first and third quarter phases of the moon can be observed during daylight hours. These phases occur when the moon is at a 90-degree angle with respect to the sun as seen from Earth, so they are typically visible for a large part of the day.
The five types of thematic maps are choropleth maps, proportional symbol maps, dot distribution maps, graduated symbol maps, and isoline maps. Each type is designed to visually represent specific data patterns or trends within a geographic area.