The most common paper USGS map sheet known as a ‘quad’ has a scale of ___________ and a coverage area of ___________.
A) 1:100,000……..15 degrees latitude by 15 degrees longitude
B) 1:63,000……..15 degrees latitude by 7.5 degrees longitude
C) 1:25,000……..15 degrees latitude by 7.5 degrees longitude
D) 1:24,000……..7.5 degrees latitude by 7.5 degrees longitude
