Map Scale Detail Comparison Graphic Ver. 1 - West Point Scale Detail Comparison Graphic Ver. 1...

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8600 8600 8610 8610 8620 8620 8630 8630 8640 8640 8650 8650 8660 8660 8670 8670 8680 8680 8690 8690 8700 8700 8710 8710 8720 8720 8730 8730 8740 8740 8750 8750 8760 8760 8770 8770 8780 8780 8790 8790 8200 8200 8210 8210 8220 8220 8230 8230 8240 8240 8250 8250 8260 8260 8270 8270 8280 8280 8290 8290 8300 8300 8310 8310 8320 8320 8330 8330 8340 8340 8350 8350 8360 8360 8370 8370 8380 8380 8390 8390 0 100 200 300 400 500 Meters Map Scale Detail Comparison Graphic Ver. 1 Datum: WGS84 (~NAD1983) Projection: UTM Zone 18 Grid Zone Designation: 18T 100,000 meter square identifier: WL Primary Grids (Black): 1000 meters Secondary Grids (Grey): 100 meters 5 m Contours Map produced by: Geospatial Information Science Program Dept of Geogrpahy & Env. Eng. United States Military Academy POC: COL Michael Hendricks Map Data Derived from Orienteering Map Map Data Current as of 2010 Map Designed & Printed 2011 1:10,000 Scale Map Legend 87 87 88 82 82 83 83 84 1:10,000 High Density Topographic Map 1:25,000 Topographic Map 1:50,000 Topographic Map 87 87 45 82 000m. N 83 83 84 82 84 88 86 88 5 86 000m. E 86 10 m Contours Date: 1991 10 m Contours Date: 2011 86 86 88 84 × TRUE NORTH GN GRID CONVERGENCE 0º 39' (11 MILS) FOR CENTER OF SHEET GRID NORTH Ø 2005 G-M ANGLE -14º (-248 MILS) 2.4º Arcmin/yr (42 MILS) MAGNETIC NORTH TO CONVERT A MAGNETIC AZIMUTH TO A GRID AZIMUTH SUBTRACT G-M ANGLE TO CONVERT A GRID AZIMUTH TO A MAGNETIC AZIMUTH ADD G-M ANGLE Declination Diagram Smaller Scale (less detail) Larger Scale (more detail) Scale or Representative Scale (RF): The relationship of distance on the map to distance on the ground. Example 1: 1:25,000 means 1 mm on the map equals 25,000 mm (or 25m) on the ground. Example 2: 1 cm measured on a 1:50,000 map is 50,000 cm on the ground (or 500 m) 87 87 88 82 82 83 83 84 88 86 86 " " 09 Jun 2011

Transcript of Map Scale Detail Comparison Graphic Ver. 1 - West Point Scale Detail Comparison Graphic Ver. 1...

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Map Scale Detail Comparison Graphic Ver. 1

Datum: WGS84 (~NAD1983)Projection: UTM Zone 18

Grid Zone Designation: 18T100,000 meter square identifier: WL

Primary Grids (Black): 1000 metersSecondary Grids (Grey): 100 meters

5 m ContoursMap produced by:Geospatial Information Science ProgramDept of Geogrpahy & Env. Eng.United States Military AcademyPOC: COL Michael Hendricks

Map Data Derived from Orienteering MapMap Data Current as of 2010Map Designed & Printed 2011

1:10,000 Scale Map Legend

87

87

88

82 82

83 83

84

1:10,000High Density Topographic Map

1:25,000Topographic Map

1:50,000Topographic Map

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4582000m.N

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82

848886

88586000m.E

8610 m Contours

Date: 1991

10 m ContoursDate: 2011

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×

TRUE

NOR

TH

GN

GRID CONVERGENCE0º 39' (11 MILS)

FOR CENTER OF SHEET

GRID

NOR

TH

Ø

2005G-M ANGLE

-14º (-248 MILS)2.4º Arcmin/yr (42 MILS)

MAGNETIC NORTH

TO CONVERT AMAGNETIC AZIMUTHTO A GRID AZIMUTH

SUBTRACT G-M ANGLE

TO CONVERT AGRID AZIMUTH TO AMAGNETIC AZIMUTH

ADD G-M ANGLE

Declination Diagram

Smaller Scale(less detail)

Larger Scale(more detail)

Scale or Representative Scale (RF): The relationship of distance on the map to distance on the ground.Example 1: 1:25,000 means 1 mm on the map equals 25,000 mm (or 25m) on the ground.Example 2: 1 cm measured on a 1:50,000 map is 50,000 cm on the ground (or 500 m)

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" "09 Jun 2011