Basic Land Navigation (Map & Compass) (WEEK 5)

Question 1

A scale on the bottom of the map that is labeled 1:24,000 is known as the _______?

Answer 1

Representative Fraction

Question 2

If you shot an azimuth of 120* degrees and you declination for that area is 16* degrees, what would your new azimuth be in relation to the map?

Answer 2

136* degrees

120* + 16* = 136*

Question 3

A scale on the bottom of the map that shows distance is represented in a ________ is known as the _______ (RF)

Answer 3

Fraction, Representative Fraction

Question 4

Contour intervals measure _________ between contour lines.

Answer 4

Elevation

Question 5

_________ intervals are father apart at the top and closer together at the bottom.
A) Concave
B) Convex

Answer 5

Convex

Question 6

For the Magnetic Declination correction you need to go from _______ to _______.

Answer 6

Magnetic North , True North

Add declination when moving from compass to map

Question 7

If you shoot an azimuth of 185* what is your back azimuth?

Answer 7

5* degrees (185* - 180*= x ) **You subtract declination when moving from map to compass*

Question 8

USGS maps are oriented with _________ at the top..

Answer 8

True North

Question 9

A _________ is also known as a topographical map.

Answer 9

7.5 Minute quadrangle map

Question 10

Imaginary lines called ________ and _________ meet at a point called Initial Points.

Answer 10

Baselines , Principle Meridians

Question 11

To determine the percentage of a slope you divide the ________ by the _________ and then multiply by 100.

Answer 11

Vertical, Horizontal

Question 12

What does this symbol represent on a map.

Answer 12

Un-improved Road

Question 13

Know what a Quarry or Open mine symbol looks like.

Answer 13

It is two crossed picks

Question 14

**How many initial points are in California and what are their names?***

Answer 14

3, Humbolt base and meridian, Mt. Diablo base and meridian, San Bernardino base and meridian

Question 15

What is the slope formula?

Answer 15

Rise over Run X 100

Question 16

How is slope expressed?

Answer 16

In Percent

Question 17

How many steps are in a pace?

Answer 17

TWO

Question 18

What is the normal pace length /Stride?

Answer 18

5 feet

Question 19

List the parts of a compass?

Answer 19

Magnetic needle, Revolving 360^ dial, Base Plate Mirror, Orienting lines, Sites

Question 20

How do you hold a compass?

Answer 20

Flat and level

Question 21

What is the azimuth adjustment for a compass in California?

Answer 21

14 to 20 degrees in California

Question 22

How do you get a back Azimuth?

Answer 22

Add 180 degrees

Question 23

How many feet / chains are in one mile?

Answer 23

5,280 feet or 80 chains

Question 24

How many feet in a yard?

Answer 24

THREE

Question 25

How many feet are in an acre?

Answer 25

208 X 208 = 43,560

Question 26

How many feet are in a chain?

Answer 26

66 feet

Question 27

How many chains in an acre?

Answer 27

10 Square chains

Question 28

One square mile / one section equal?

Answer 28

640 acres

Question 29

How many acres in a section?

Answer 29

640 Acres in a section

Question 30

What is an intersection?

Answer 30

A point on a map intersecting two known landmarks

Question 31

What is resection?

Answer 31

Finding ones location by sighting two known landmarks

Question 32

On a topo map how are ridges shown?

Answer 32

U shaped, maybe V shaped on a pointed ridge

Question 33

On a topo map how are drainages shown?

Answer 33

V shaped V bottom points uphill.

Question 34

How is a box canyon shown on a topo map?

Answer 34

Canyon with walls on three sides

Question 35

How are saddles shown in a topo map?

Answer 35

A low area along a ridge between two high areas

Question 36

What is contour interval?

Answer 36

The difference in elevation between the contour lines

Question 37

What is an index contour?

Answer 37

Every fifth contour that is printed darker with elevation marked on it

Question 38

What are range lines?

Answer 38

A series of lines six miles apart running north and south

Question 39

What are township lines?

Answer 39

A series of lines running east to west six miles part

Question 40

On a map where is North?

Answer 40

The top (unless specified

Question 41

The normal size topo map used?

Answer 41

7.5 minute quadrangle

Question 42

1in. = 24,000in is what?

Answer 42

A representative fraction

Question 43

Map Color | BLACK

Answer 43

Man made

Question 44

Map Color | BLUE

Answer 44

Water

Question 45

Map Color | GREEN

Answer 45

Vegetation

Question 46

Map Color | BROWN

Answer 46

Relief

Question 47

Map Color | RED

Answer 47

Major Road

Question 48

What are the two maps mostly used?

Answer 48

Planimetric, Topographic

Question 49

A line drawing, to some scale, of the earth’s surface is?

Answer 49

The definition of a map

Question 50

One Township is equal to how many square miles?

Answer 50

36 square miles

Question 51

(True / False) | There are 640 acres in 1 square mile?

Answer 51

TRUE

Question 52

(True / False) | Compass readings are magnetic Azimuth?

Answer 52

TRUE

Question 53

(True / False) | Map readings are true Azimuth?

Answer 53

TRUE

Question 54

What does USGS stand for?

Answer 54

United States Geological Survey

Question 55

What does a legend show?

Answer 55

Key accompanying the map which shows information needed to interpret that map.

Question 56

What are the 3 types of topo maps?

Answer 56

Contour maps, shaded maps, slop maps

Question 57

****What do fire lookouts use to determine the location of a fire?*****

Answer 57

Intersecting

Question 58

What is the Universal Transverse Mercator (UTM)?

Answer 58

A grid system that divides the earth into vertical and horizontal sections (lat and long)

Question 59

Five most common colors found on a map an what do they mean?

Answer 59

- Black=cultural or human made features - Blue=water features lakes rivers - Green=Vegetation such as woods and orchards - Brown=all relief features contours, lots and fills - Red=main roads, built up areas and boundaries

Question 60

Three types of planimetric maps are?

Answer 60

- Common road maps - Specific area maps - CDF administrative maps

Question 61

What cardinal point is usually on top of a map and bottom right left?

Answer 61

North, South, East, West

Question 62

1 Mile =how many feet?

Answer 62

5,280 feet

Question 63

1 yard= how many feet?

Answer 63

3 feet

Question 64

1 acre= how many feet?

Answer 64

43,560 square feet

Question 65

1 chain= how many feet?

Answer 65

66 feet

Question 66

Three basic parts of a compass?

Answer 66

- Magnetic needle - 360 dial - Transparent base plate.

Question 67

*********1 degree of latitude can be divided into.......*********

Answer 67

60 minutes

Question 68

****What is Intersection?

Answer 68

locating two points on a map by intersecting two known landmarks

Question 69

*****A representative fraction, what is a map scale?****

Answer 69

Scale expresses the ratio of the maps distance to the ground, distance in same measurements 1: 24,000 - 7.5 1: 62,500 1: 250,000

Question 70

****What is a graphic scale on a map?

Answer 70

Compares distance to the ground distance in different units of measurements ie; 1 = 1 mile on the map

Question 71

*****Resection is used to....

Answer 71

determine one's own landmark

Question 72

*****How would you read? | 38*21.88N 120*56.57

Answer 72

- Thirty eight degrees twenty one point eighty eight minutes North Latitude BY (X) - One hundred twenty degrees fifty-six point fifty-seven West Longitude

Question 73

***U Shape is...

Answer 73

Ridge

Question 74

****V Shape is.....

Answer 74

Drainage or narrow valleys. The point of the "V" always points uphill or upstream