Map Reading.

(GETTYSBURG 3” MAP—­HUNTERSTOWN SHEET.) Plattsburg Barracks, N.Y.,
Sept. 17, 1917: 

1.  What is the shortest distance by road from Biglersville to Texas?

2.  Describe the road between Texas and Table Rock.

3.  Is it a cut or a fill along the railroad about 1/2 mile east of Granite Hill Station?

4.  What is meant by 931 on Chestnut Hill?

5.  Can a man on the summit of hill 712 (about one mile southwest of Plainview) be seen from the town of Plainview?

6.  Point out two fords on the Conewago River.

7.  Where is the highest point on the road from Plainview to Heidlersburg?

8.  Describe the fences along the road from Texas to Table Rock Station.

9.  Is Hill 566 S.W. from D. Wert visible from Henderson Meeting House?

10.  Of what material is the bridge at Bridge School House constructed?

Harvard College: 

1.  Can a sentinel standing at 707 see road fork 535 (about 1,500 yards south)?

2.  An enemy patrol is marching north on the 544-616 road, and has crossed the stream (750 yards north of 544.) Can this patrol see the Red outguard at 707 from any point between stream and cross roads 616?

3.  Can the sentinel at 712 see the road fork 518 (1,850 yards southwest from 712)?

4.  Can the sentinel at 712 see the cross roads 561 (about 1,200 yards southeast)?

Assuming the height of a man as 5’ 0” above the ground and trees and buildings as 30’ 0”.

1.  Is the ground at road fork 552 near D. Wirt visible to a patrol on Hill 712?  If not what is the obstructing point?  Turn in profile, using cross section paper.

2.  Disregarding trees, is a man standing on Bridge 523 near Bridge S.H. visible from Hill 712?

Solve by any method desired indicating the method.

1.  Make a profile from location of the letter “U” of Chestnut Hill near Center Mills to Hill 712, 2-1/2 miles to the south.

2.  Is the location of the letter “B” of Beatrich visible from “U” of Chestnut Hill?  If not what obstructs?

1.  Can a man on Hill 712 see a man at cross roads 554 in Hunterstown (disregard trees)?

2.  To a man standing at the point where contour 680 crosses the road just south of 707, where does the roadbed first become invisible?

1.  When the point arrives at Hill 647 can it see the road fork 610 to the northwest?

2.  When the flank patrol reaches Benders Church cross roads can it see an enemy patrol at the house midway on the road 534-554 one mile to the northeast?

3.  Looking north along the Center Mills road from Hill 647, where does the road first become invisible?

1.  What does 1/21120 mean?

2.  What direction is the general drainage system on this sheet?

CHAPTER 6.