An image of the lower area of the Grand Canyon located within Lake Mead. Note: The boat from which the image was taken can be seen in the bottom right corner of the photograph.

An image of an entrance to the Grand Canyon from Lake Mead, with the entrance itself located above the Hoover Dam. Transcribed onto the bottom of the image: "The Grand Canyon of the Colorado River (Lake Mead entrance above Boulder Dam)." Note: Boulder Dam was officially renamed Hoover Dam in 1947. Also, the image itself is stained with brown splotches that are spewed across the face of the photograph.

An image of Driftwood Delta, an entrance to the Grand Canyon, located within Lake Mead.

An image of the lower area of the Grand Canyon from Lake Mead. Note: The silhouettes of three men riding atop the boat from which this image was taken from can be seen within the photograph's bottom right corner.

An image of one of Lake Mead's many marina sites, located on a shore of the reservoir. At this particular marina, cars park near a building that offers boat rentals and boat rides. The first floating marina building of Lake Mead can be seen branching out from the brink of the shore.

An image of one of Lake Mead's many marina sites, located on a shore of the reservoir. At this particular marina, cars park near a building that offers boat rentals and boat rides. The first floating marina building of Lake Mead can be seen branching out from the brink of the shore.

An image of one of Lake Mead's many marina sites, located on a shore of the reservoir. At this particular marina, cars park near a building that offers boat rentals and boat rides.