"Soil Survey Photography-Principles and Techniques" is a Microsoft PowerPointŪ presentation. It provides guidelines for taking high quality photographs of soil profiles and their associated landscapes. If you DO NOT have Microsoft PowerPoint installed on your computer, you still can view the PowerPoint slide presentation by doing the following: 1. In Windows Explorer, double-click on "CD Drive:\Soil Survey Photography\ppview32.exe;" 2. Select the presentation "SoilSurveyPhotog.ppt" in the viewer dialogue and press "Show."