GEO 121 1st Edition Lecture 17 I Outline of Last Lecture Projections II Robinson Projection III Survey Systems IV II Outline of Current Lecture Review of Scales 1 Types of Scales 2 Common Scales Aerial Photographs Current Lecture Review of Scales Types of Scales o Ratio ex 1 24 000 o Fraction ex 1 24 000 o Bar Scale o Verbal Scale ex one inch equals twenty four thousand inches Common Scales o 1 24 000 Most common scales Valueless unless specified otherwise o 1 63 360 Equals exactly one mile o 1 63 200 These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Equals approximately one mile Aerial Photographs Can be o Black and White o Color o Infrared o Color infrared The current favorite amongst geographers Shows reflected radiation Are affected by o Size Actual Relative o Texture o Shape o Pattern
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