formation

'Rooster Rock', curious rock formation along the Columbia River, Orego...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

CELEBRATION OF THE SIXTY-NINTH ANNIVERSARY OF THE FORMATION OF THE REG...

Gypsum formation. (No. 8). Kentucky. Stereoscope Card.

Kentucky stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Last Rose of Summer. (Gypsum formation on the ceiling of Cleveland's C...

Kentucky stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Large ice formation. Cape Cod, Massachusetts. Stereoscope Card.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Natural Rock Formation, Idlewild, Crawford Notch, N.H.

New Hampshire stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Ice formation below the falls. New York Sterecope Card.

Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.

Coal formation [?], Manitou Grand Caverns. - Sterescope Card, Colorado

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Formation near Mammoth Springs, Yellowstone National Park.

Wyoming stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Snowy Cascades, Lime Formation. Wyoming stereoscope card, 19th century...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Majestic Pike's Peak through the Gateway of the Garden of the Gods, Co...

Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description

Natural ice formation in shape of eagle's head, Luna Island.

Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.

CELEBRATION OF THE SIXTY-NINTH ANNIVERSARY OF THE FORMATION OF THE REG...

Rock formation. - Sterescope Card, Colorado. NYPL Collection.

Colorado stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Natural ice formation in shape of eagle's head, Luna Island.

Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.

CELEBRATION OF THE SIXTY-NINTH ANNIVERSARY OF THE FORMATION OF THE REG...

Pigmies bridge, basaltic formation. Lake Superior, Michigan. Stereosco...

Michigan stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Natural ice formation in shape of eagle's head, Luna Island.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Formation at Mammoth Hot Springs, Yellowstone National Park.

Wyoming stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

The Three Brothers, Yosemite Valley, California.

Picryl description: Public domain view of a mountain range, mountainous landscape, free to use, no copyright restrictions.

CELEBRATION OF THE SIXTY-NINTH ANNIVERSARY OF THE FORMATION OF THE REG...

Old Faithful's Formation, Yellowstone National Park.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Formation at Mammoth Hot Springs, Yellowstone National Park.

Wyoming stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Winter scene at Niagara. [Vertical formation of ice.]

Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.

Formation at Mammoth Hot Springs. 19th cenrury stereoscope card.

Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description

Broken ice mountain showing formation. New York Sterecope Card.

Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions

Maiden of the BadLands [rock formation].

Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who assembled it over a period of mo... More

[Rock formation.] - Sterescope Card, Colorado. NYPL Collection.

Colorado stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Natural ice formation in shape of eagle's head, Luna Island.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

View of sea with rock formation.

California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a... More

Rooster Rock', curious rock formation along the Columbia River, Oregon...

Oregon Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who assem... More

Old Faithful's formation, upper basin. [Yellowstone National Park.]

Wyoming stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Ice formation below the falls. New York Sterecope Card.

Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions

CELEBRATION OF THE SIXTY-NINTH ANNIVERSARY OF THE FORMATION OF THE REG...

Down in Colorado gold mine: taking out ore, Eagle River Canyon, Colora...

Colorado stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Ice formation below the falls. New York Sterecope Card.

Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.

Formation at Mammoth Springs, Yellowstone National Park.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Formation at Mammoth Hot Springs. 19th cenrury stereoscope card.

Natural ice formation in shape of eagle's head, Luna Island.

Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.

Formation at Mammoth Hot Springs, Yellowstone National Park.

Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description

Snowy Cascades, Lime Formation. Wyoming stereoscope card, 19th century...

Wyoming stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Last rose of summer, (gypsum formation on the ceiling of Cleveland's C...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description