Chapter 1. Identifying the type of coordinate system for data using ArcMap — Using vector datasets , Identifying the type of coordinate system for data using ArcMap — Chapter 2. Identifying the correct geographic coordinate system — Example of datum offset between NAD 1927 and NAD 1983 datums in a GCS , Example in which data with the unknown coordinate system is in a GCS, and reference data is in a projected coordinate system , Other issues to consider — Chapter 3. Identifying the projected coordinate system — State plane coordinate system , Universal transverse Mercator (UTM) coordinate system , Testing to identify the projected coordinate system for data , If state plane options do not align the data, test for UTM , Other projected coordinate system options — Chapter 4. Applying nonstandard units — When standard coordinate systems don’t work , Customizing the state plane coordinate system with units of inches , Comparing units of international feet with US survey feet , Saving the custom projection file to disk for future use , Defining the projection using the custom projection file — Chapter 5. Aligning CAD data — Modifying a standard coordinate system , Working with CAD files in ArcMap , Procedures to address misaligned CAD data , Saving the custom projection file to disk — Chapter 6. Aligning rotated CAD data — Adjusting for the azimuth or rotation parameters , Using other custom coordinate system options — Chapter 7. Analyzing geographic (datum) transformations and why we need them — What are geographic transformations? , Geographic transformation methods , Creating and saving a custom geographic transformation in ArcToolbox — Chapter 8. Applying geographic transformations — Applying composite geographic transformations in ArcGIS 10.1 for desktop , Applying composite geographic transformations in the ArcMap data frame , Applying geographic transformations in the project tool in ArcToolbox — Chapter 9. What map projection should I use for my project? — Geographic coordinate sytems , Projected coordinate systems , Deciding on the projection file in ArcMap , Appropriate use of web Mercator projection — Chapter 10. Defining projections and their parameters, adding x, y data, analyzing the shape of buffers — Coordinate system definitions provided with ArcGIS for desktop , Coordinate system parameters , What is a geographic coordinate system? , What is a projected coordinate system? , What is a local coordinate system? , Adding x, y data to ArcMap and converting to features in a shapefile or geodatabase feature class , Why buffers displayed in ArcMap are not round — Appendix A Knowledge base articles — Appendix B Default installation paths — Appendix C Default user profile paths Source.