Gridiron was a steamboat landing and woodyard, supplying wood to the steamboats on the lower Colorado River in Sonora, Mexico, from the 1854 to the late 1870s.
Gridiron was a steamboat landing and woodyard on the lower Colorado River in Sonora state of northwestern Mexico,. It supplied fuel wood to heat the steam boilers of the shipping steamboats on the Colorado River from 1854 to the late 1870s.