Phoenix

Proctor & O'Shaughnessy, 1866, Bacon Chamber, [Magnesium Light Views in Mammoth Cave.], Stereoview, Private collection of Nathan Moore, LL/101744

Image: LL/101744

Lots of additional options for subscribers.

Proctor & O'Shaughnessy, 1866, Deserted Chamber, [Magnesium Light Views in Mammoth Cave.], Stereoview, Private collection of Nathan Moore, LL/101747

Image: LL/101747

Lots of additional options for subscribers.

Proctor & O'Shaughnessy, 1866, Magnesium Light Views in Mammoth Cave., Stereoview, J. Paul Getty Museum, LL/101531

Image: LL/101531

Lots of additional options for subscribers.

Proctor & O'Shaughnessy, 1866, Pillars in 'Mammoth Dome', [Magnesium Light Views in Mammoth Cave.], Stereoview, Private collection of Nathan Moore, LL/101745

Image: LL/101745

Lots of additional options for subscribers.

Proctor & O'Shaughnessy, 1866, The Alter, [Magnesium Light Views in Mammoth Cave.], Stereoview, Private collection of Nathan Moore, LL/101746

Image: LL/101746

Lots of additional options for subscribers.