The three types of rock October 21st, 2011 • Filed under: geology | humor Hah. My sister sent this to me. Related Posts *AUTOGENERATED* DO NOT EDIT March 3, 2022 programmer-humor This happens to me all the time March 3, 2010 Geology Research October 5, 2003 ← Previous Post Extrapolating the screen size of Android mobile phones over time. Next Post → Stop SOPA
