sentences:  Of some importance are the photos Lumholtz took of Laguna Magdalena showing the extent of some of its shoreline before the lake was largely drained in the 1930s to create arable land.Laguna Magdalena would have provided important lacustrine resources to the Teuchitlán culture in the form of fish, reeds, lake fowl, and other goods.The guachimontón architectural form went undocumented by archaeologists for almost 70 years after Breton’s journey through the area.