Page 286 - Laboratory Manual in Physical Geology

C. Compare the 2011 topographic map in part B with the 1989 map in part A.
1. How are the contour lines different in the 2011 map?

2. What is one thing that changed on the ground in this area from 1989 to 2011?

D. REFLECT & DISCUSS Which series of USGS products do you think is more useful: the 1989 paper maps series or the

2011 US Topo series of digital maps with matching orthoimages? List some advantages and disadvantages of your choice.

Advantages:

Disadvantages:

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