Supplemental material: Estimating two-dimensional static stabilities and geomorphic settings of precariously balanced rocks from unconstrained digital photographs

Geosphere, October 2012, v. 8, p. 1042-1053, doi:10.1130/GES00788.1, Supplemental File - Zipped file that contains: (1) “PBRslenderness.p” file, which is the program that is presented in this paper and requires MATLAB to run. (2) “PBRslenderness_user_manual.docx” file, which is the user manual for the program. (3) “PBR_sample_photo.jpg” file, which is a sample photograph of a PBR that the reader can use to experiment with. (4) “PBRslenderness_video_tutorial.wmv” file, which is a video demonstration of the program. This file is ∼3 MB in size.