a$)($o points$)$ For any given surface distance and latitude; as the elevation increases, the grid distance $($increases or decreases?$)$

b$)(5$ points$)$ Can the grid distance be greater than surface distance? Briefly, explain why.

$5.(10$ points$)$ What are the three segments of the GPS$?$ Briefly, describe the function of each one of these segments.

Lidar $($Study lecture $15)$

$6.(10$ points$)$ List the components of a mobile Lidar system and identify the purposes of each component.

Earthwork Volumes $($Study sections $8\mathrm{.}5-8\mathrm{.}11$ in the book and lecture $16)$

$7.(10$ points$)$ For the cross sections given below, are the volumes of cut and fill balanced between Station $0+00$ and $3+50?$ If not, how much is the extra volume of cut or fill? Use the average end area method.

$\backslash$table$[[$Station$,$Cut or Fill,Area, sq$.$ft$],[0+00,$Cut,$-251],[0+50,$Cut,$-306],[1+00,$Cut,$-325],[1+50,$Cut,$-56],[2+00,$Fill,$28],[2+50,$Fill,$285],[3+00,$Fill,$298],[3+50,$Fill,$315]]$

$(20$ points$)$ Compute the volume of water $($in cubic feet$)$ impounded by the proposed dam shown below. The hatched portion of this contour map represents the area that will be inundated with water when the dam is full. The area enclosed within each contour is as follows: