A data set from Oehlert (2000) \emph{A First Course in Design and Analysis of Experiments}, New York: W. H. Freeman. Data originally from Cole, D.~N. (1993). ``Trampling effects on mountain vegetation in {W}ashington, {C}olorado, {N}ew {H}ampshire, and {N}orth {C}arolina.'' Research Paper INT-464, U.S. Forest Service, Intermountain Research Station. Average height of vegetation one year after trampling. Treatments 1 through 5 are 0, 25, 75, 200, and 500 walking passes. Columns are treatment number and height (cm).