References
- Akridge, M., B. Lary, and G. H. Krockover. 1989. Introducing isolines. The Science Teacher 56(2): 31-33.
- Global Learning and Observations to Benefit the Environment (GLOBE). 2003. Teacher's guide: Making a contour map. http://www.globe.gov/tctg/atla-contour.pdf?sectionId=28
- Lutgens, F. K., and E. J. Tarbuck. 2004. The atmosphere. Upper Saddle River, NJ: Prentice-Hall.
- National Center for Environmental Prediction. 2005. Daily weather maps. http://www.hpc.ncep.noaa.gov/dailywxmap/index.html
- Smith, P. S., and B. A. Ford. 1994. Interpreting weather maps. Science Activities 31(2): 13-18.
- University of Wisconsin-Madison. 2005. Weather station model exercises. http://cimss.ssec.wisc.edu/wxwise/station/page5.html
- Wellner, K. 1997. Modeling geology formations. Science Scope 20:34-35.