1. Seventh Edition By David A. Madsen, Terence M. Shumaker, and David P. Madsen Civil Drafting Technology Chapter 3 Map Scales

2. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 2 Figure 3 – 1: A graphic example of maps created at different scales. (Courtesy U.S. Geological Survey, www.usgs.gov) www.usgs.gov

3. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 3 Figure 3 – 2: Sample graphic scales.

4. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 4 Figure 3 – 3: Measuring with a graphic scale.

5. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 5 Figure 3 – 4: This graphic scale is not practical because it is difficult to imagine the odd measurements shown.

6. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 6 Figure 3 – 5: Correct graphic scale with one segment divided into 10 equal spaces.

7. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 7 Figure 3 – 6: (a) A typical triangular civil engineer ’ s scale. (b) Flat civil engineer ’ s scale.

8. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 8 Figure 3 – 7: Margin of triangular civil engineer ’ s scale.

9. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 9 Figure 3 – 8: Three examples of margins and scales on a civil engineer ’ s scale.

10. Civil Drafting Technology, Seventh Edition David A. Madsen, Terence M. Shumaker, David P. Madsen © 2010 Pearson Higher Education, Upper Saddle River, NJ 07458. All Rights Reserved. 10 Figure 3 – 9: Metric scales examples, with common scale applications.