1.   Use 1994 1:24,000 scale USGS Lewis Springs-Tomestone SE Topographic Quadrangle.

            2.   What is benchmark?   _______________________

         3.    Find the benchmark for the top of Lewis Springs.

                        What is the elevation?    _____________

4.      The elevation is measured from what datum (level)? _________________

         5.    What is a contour line?  ________________________________________

            6.   What is an Index contour?  ______________________________________

            7.   The Index contours are how far are apart (in elevation)?  ______________

            8.   The contour interval is how many feet?  ___________________________

            9.   What is the highest elevation within the study site?   _________________

            10.  What is Relief? _______________________________________________

            11.  What is the maximum relief within the study site?  ___________________