"Diagrammatic structure section of the Wasatch Range in Ogden Canyon." -Lee, 1915

Sine curves of varying frequency and amplitude plotted from 0 to 2 pi. Graph of y= sin θ, y= 1/2…

Sine curves of varying frequency plotted from 0 to 2 pi. Graph of y= sin t, y= r sin1/2t, y=r sin 2t.

"...represents two wave systems of equal periods and amplitudes but of opposite phases." -Avery 1895