map and compass - boy scouts on staten island, ny · map and compass map problem it’s july....
TRANSCRIPT
MAP AND COMPASS
• Where things are and how to
get to them
Topographic Maps
3
get to them
• Describe the shape of the land
• Define and locate natural and
man made features
• Distance between two places
• Direction from one point to
another
MAP AND COMPASS
Primary highway
Secondary highway
Light-duty road
Overpass - Underpass
Buildings
School -- church
TOPOGRAPHIC MAP SYMBOLS
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Light-duty road
Unimproved road
Trail
Railroad: single track
Railroad: double track
Bridge
Tunnel
Footbridge
School -- church
Woodland
Orchard
Scrub
Well water – spring
Rapids
March (swamp)
Falls
MAP AND COMPASSBasics
Cardinal Points Cardinal Points
North North = 0/360= 0/36000
North North = 0/360= 0/36000
South South = 180= 18000
East East = 90= 9000
West West = 270= 27000
MAP AND COMPASS
Map Problem
It’s July. Let’s suppose you’re
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suppose you’re starting a hike at A and heading for Q.
1. For local
information or in
case of emergency
would you go to B,
C, or D? Why?
1. C has telephone
lines next to it. B is
a school and
probably closed in
summer. D is a
cemetery.
2.The Wahootchee
River flows NW to
SE. To paddle
downstream, would
it be safer to launch
canoes at E or F.
Why?
2. Launch them at F.
The map shows
rapids between E
and F.
3.Would you cross
the river at G or H?
Why?
3. Use the
footbridge at G. H is
a railroad bridge.
4. Where would you
most likely find
firewood – I or U?
Why?
4. At I. Because I is
scrub woods. U is
an orchard
5. Which trail would
you take – J or K?
Why?
5. K. J goes
through a swamp.
6. Which is the
easier way to reach
P – Trail L or M?
Why?
6. The closer
contour lines of M
show a steeper
climb.
Direction of Travel Arrow
Magnifying
Glass
Bearing Dial or
Graduation ring
MAP AND COMPASS
10
Bearing
Index
Orienting Arrow
and fluorescent dots
North-south lines or orienting lines
Compass needle –
Red points North
Graduation ring
MAP AND COMPASS
THE SYLVA SYSTEM THE SYLVA SYSTEM –– Easy as 1Easy as 1--22--33
Point the baseplate to
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baseplate to your destination
MAP AND COMPASS
THE SYLVA SYSTEM THE SYLVA SYSTEM –– Easy as 1Easy as 1--22--33
Set Compass Heading
12
Heading
MAP AND COMPASS
THE SYLVA SYSTEM THE SYLVA SYSTEM –– Easy as 1Easy as 1--22--33
Follow Your Heading
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Heading