Energy Consumption Rates across the USA and the World
Glenn A. Richard, Mineral Physics Institute, Stony Brook University Screen capture of Google Earth image of data from giasen at World Oil Consumption Per Capita on the Google Earth Community Forums 
A investigation of differences in rates and categories of energy use between countries and US states

What is the Volume of a Debris Flow?
chuck connor, University of South Florida-St. Petersburg
SSAC Physical Volcanology module. Students build a spreadsheet to estimate the volume of volcanic deposits using map, thickness and high-water mark data from the 2005 Panabaj debris flow (Guatemala).