Rapids and Cataract House. New York Sterecope Card.
New York 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
![Night. [View of river.] New York Sterecope Card.](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NTAvMDEvMDEvbmlnaHQtdmlldy1vZi1yaXZlci00ZGU3NDUtNjQwLmpwZw%3D%3D/40/20/webp "Night. [View of river.] New York Sterecope Card.")
Night. [View of river.] New York Sterecope Card.
New York 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
Niagara Falls from new suspension bridge, moonlight.
Niagara Falls, New York, 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 Ne... More
Andrew Wallace and his horse on summit of Great Ice Mountain.
Niagara Falls, New York, 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 Ne... More
![With the speed of an arrow we pass to eternity, Niagara. [View of falls.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NTAvMDEvMDEvd2l0aC10aGUtc3BlZWQtb2YtYW4tYXJyb3ctd2UtcGFzcy10by1ldGVybml0eS1uaWFnYXJhLXZpZXctb2YtZmFsbHMtYTA2ZmVjLTY0MC5qcGc%3D/40/20/webp "With the speed of an arrow we pass to eternity, Niagara. [View of falls.]")
With the speed of an arrow we pass to eternity, Niagara. [View of fall...
Picryl description: Public domain image of a waterfall, water stream, cascade, nature site, free to use, no copyright restrictions.
Catline Cave. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Luna Isle and bridge, Niagara Falls.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![Bridge to Three Sister Island [Niagara Falls].](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NTAvMDEvMDEvYnJpZGdlLXRvLXRocmVlLXNpc3Rlci1pc2xhbmQtbmlhZ2FyYS1mYWxscy00Yjg5MzctNjQwLmpwZw%3D%3D/40/20/webp "Bridge to Three Sister Island [Niagara Falls].")
Bridge to Three Sister Island [Niagara Falls].
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Free Niagara, Prospect Point, Niagara Falls, N.Y.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Sleigh ride in Prospect Park. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![Suspension Bridge, Niagara. [Distant view, with river in foreground.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NjAvMDEvMDEvc3VzcGVuc2lvbi1icmlkZ2UtbmlhZ2FyYS1kaXN0YW50LXZpZXctd2l0aC1yaXZlci1pbi1mb3JlZ3JvdW5kLTRmMzQ5My02NDAuanBn/40/19/webp "Suspension Bridge, Niagara. [Distant view, with river in foreground.]")
Suspension Bridge, Niagara. [Distant view, with river in foreground.]
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Niagara, from Point view. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Niagara in winter. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Suspension Bridge, from below Saw Mill.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Suspension Bridge at Niagara - The Interior.
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Niagara Falls - From Victoria Point. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Blondin's Tight Rope Feat: Crossing the Niagara.
Picryl description: Public domain image of fishing, fishing boat, river, lake, nature, free to use, no copyright restrictions.
American Fall from Luna Island, winter.
Picryl description: Public domain image of a waterfall, water stream, cascade, nature site, free to use, no copyright restrictions.
Squaw and pappoose, Luna Island, Niagara.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Whirlpool Rapids, Niagara. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Ice Bridge, Niagara. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Ice Bridge, Niagara. New York Sterecope Card.
Picryl description: Public domain image of a glacier, arctic landscape, mountains landscape, ice, rocks, free to use, no copyright restrictions.
New Suspension Bridge. New York Sterecope Card.
New York 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
View on Goat Island. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Horse Shoe Fall and Tower, from Goat Island.
Niagara Falls, New York, 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 Ne... More
Hermit's Cave, Goat Island. New York Sterecope Card.
New York 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
The Horse Shoe Fall, from the American side.
Niagara Falls, New York, 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 Ne... More
Looking up the Rapids, from the Bridge, Goat Island.
Niagara Falls, New York, 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 Ne... More
Horse Shoe Fall. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, water stream, cascade, nature site, free to use, no copyright restrictions.
Table Rock, Canada side. New York Sterecope Card.
New York 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
Table Rock, from above. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Suspension bridge, from the center of R. R. track.
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
General view from American side. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![[Niagara Falls.] New York Sterecope Card.](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NTQvMTIvMzEvbmlhZ2FyYS1mYWxscy03NmZjMjEtNjQwLmpwZw%3D%3D/40/19/webp "[Niagara Falls.] New York Sterecope Card.")
[Niagara Falls.] New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Horseshoe Fall from Canada. On line of N. Y. C. & H. R. R. R..
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
General view of Niagara from the Canada side.
Public domain illustrated book page scan, free to use, no copyright restrictions image - Picryl description
Prospect Point, winter. New York Sterecope Card.
New York 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 grotto in front of American Fall.
Niagara Falls, New York, 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 Ne... More
![[Sightseers on bank of river.] New York Sterecope Card.](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4NTkvMTIvMzEvc2lnaHRzZWVycy1vbi1iYW5rLW9mLXJpdmVyLWY4YTlkMi02NDAuanBn/40/19/webp "[Sightseers on bank of river.] New York Sterecope Card.")
[Sightseers on bank of river.] New York Sterecope Card.
New York 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
General view of the Suspension Bridge, Niagara.
Public domain photo of a monument, historic place, 19th century, free to use, no copyright restrictions image - Picryl description.
Niagara. From the Canada side. New York Sterecope Card.
New York 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
Niagara. The Horse Shoe Fall, from above Table Rock.
Niagara Falls, New York, 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 Ne... More
Clifton House, from Luna Island, winter.
Picryl description: Public domain photograph of an amusement park, free to use, no copyright restrictions.
Bridge to Luna Island, winter. New York Sterecope Card.
Picryl description: Public domain photograph of an amusement park, free to use, no copyright restrictions.
Bridge to Luna Island, winter. New York Sterecope Card.
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Sunlight & shadow, Luna Island, winter. New York Sterecope Card.
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
American Fall and rainbow through ice arch, Luna Island.
Picryl description: Public domain photograph of an amusement park, free to use, no copyright restrictions.
Winter, Profile Rock, Goat Island. New York Sterecope Card.
New York 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
The "Bridal Veil" from tower of new suspension bridge.
Niagara Falls, New York, 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 Ne... More
Cave of the Winds, rainbow. New York Sterecope Card.
New York 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
Niagara Suspension Bridge, interior. New York Sterecope Card.
New York 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
"Rock of Ages" and Whirlwind Bridge, Cave of the Winds.
Niagara Falls, New York, 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 Ne... More
Prospect Point. New York Sterecope Card.
New York 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
Horseshoe Fall and Profile Rock. New York Sterecope Card.
New York 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
Niagara River sunset. New York Sterecope Card.
New York 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
Rapids from Third Sister Island. New York Sterecope Card.
New York 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
Horse Shoe Fall, moonlight. New York Sterecope Card.
New York 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
Horse Shoe Fall from below. New York Sterecope Card.
New York 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
Rapids and head of First Sister Island.
Niagara Falls, New York, 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 Ne... More
General view of falls from Canada.
Canada 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
"Maid of the Mist" in Whirlpool Rapids.
Niagara Falls, New York, 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 Ne... More
"Maid of the Mist" in Whirlpool Rapids.
Niagara Falls, New York, 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 Ne... More
Niagara Falls from American side. New York Sterecope Card.
New York 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
Suspension Bridge. New York Sterecope Card.
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Niagara Falls, from Prospect Point, U.S.A.
Niagara Falls, New York, 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 Ne... More
Niagara Falls from Suspension Bridge. New York Sterecope Card.
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
The rapids, from the Sister Islands, Niagara.
Niagara Falls, New York, 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 Ne... More
Niagara Falls from below. New York Sterecope Card.
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Ice apples, Prospect Park. New York Sterecope Card.
New York 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
Niagara Falls from new suspension bridge moonlight.
Niagara Falls, New York, 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 Ne... More
Niagara Falls from American side. New York Sterecope Card.
New York 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
Suspension Bridge, Niagara Falls. New York Sterecope Card.
New York 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
Niagara Falls and ice bridge, Niagara Falls, N.Y., U.S.A.
New York State 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 w... More
![[View of falls and Terrapin Tower.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvdmlldy1vZi1mYWxscy1hbmQtdGVycmFwaW4tdG93ZXItNmQwMzdjLTY0MC5qcGc%3D/40/20/webp "[View of falls and Terrapin Tower.]")
[View of falls and Terrapin Tower.]
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Niagara Suspension Bridge. New York Sterecope Card.
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Niagara, general view from American side.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![[View of Niagara Falls from the banks of the river.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvdmlldy1vZi1uaWFnYXJhLWZhbGxzLWZyb20tdGhlLWJhbmtzLW9mLXRoZS1yaXZlci1jYjAzNmItNjQwLmpwZw%3D%3D/40/19/webp "[View of Niagara Falls from the banks of the river.]")
[View of Niagara Falls from the banks of the river.]
Niagara Falls, New York, 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 Ne... More
![[Man crossing over the river on a cable wire, Niagara Falls.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvbWFuLWNyb3NzaW5nLW92ZXItdGhlLXJpdmVyLW9uLWEtY2FibGUtd2lyZS1uaWFnYXJhLWZhbGxzLTAxNmEyYi02NDAuanBn/40/19/webp "[Man crossing over the river on a cable wire, Niagara Falls.]")
[Man crossing over the river on a cable wire, Niagara Falls.]
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
![[Horse and carriage outside Six Nation Indian Store.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvaG9yc2UtYW5kLWNhcnJpYWdlLW91dHNpZGUtc2l4LW5hdGlvbi1pbmRpYW4tc3RvcmUtYzhhOTUwLTY0MC5qcGc%3D/40/20/webp "[Horse and carriage outside Six Nation Indian Store.]")
[Horse and carriage outside Six Nation Indian Store.]
Picryl description: Public domain image of a department store, commerce, shopping, main street, city downtown, early 20th-century, free to use, no copyright restrictions.
The rapids (instantaneous), Niagara. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![[Suspension Bridge, Niagara.] New York Sterecope Card.](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvc3VzcGVuc2lvbi1icmlkZ2UtbmlhZ2FyYS1lNzI3ZjctNjQwLmpwZw%3D%3D/40/19/webp "[Suspension Bridge, Niagara.] New York Sterecope Card.")
[Suspension Bridge, Niagara.] New York Sterecope Card.
Picryl description: Public domain image related to an industrial revolution, industry history, factory building, free to use, no copyright restrictions image.
Great Island Bridge. New York Sterecope Card.
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
![[Bridge to Goat Island.] New York Sterecope Card.](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvYnJpZGdlLXRvLWdvYXQtaXNsYW5kLWZhYzc0MS02NDAuanBn/40/20/webp "[Bridge to Goat Island.] New York Sterecope Card.")
[Bridge to Goat Island.] New York Sterecope Card.
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Ruins of Terrapin Tower. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![[View of Terrapin Tower and falls.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvdmlldy1vZi10ZXJyYXBpbi10b3dlci1hbmQtZmFsbHMtNzBkOTVmLTY0MC5qcGc%3D/40/19/webp "[View of Terrapin Tower and falls.]")
[View of Terrapin Tower and falls.]
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Prospect Park. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![[Tourists on bank of Niagara River.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvdG91cmlzdHMtb24tYmFuay1vZi1uaWFnYXJhLXJpdmVyLWRiN2MzNy02NDAuanBn/40/20/webp "[Tourists on bank of Niagara River.]")
[Tourists on bank of Niagara River.]
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Path to the Cave of the Winds, Niagara.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
One of the Three Sister bridges.
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Suspension bridge. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![[View of falls from below.] New York Sterecope Card.](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvdmlldy1vZi1mYWxscy1mcm9tLWJlbG93LTdhM2VhNC02NDAuanBn/40/19/webp "[View of falls from below.] New York Sterecope Card.")
[View of falls from below.] New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Niagara, Horseshoe Fall from Canada. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Stereoscopic views of Niagara Falls New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Niagara, ice bridge and American Fall.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
![Niagara Falls. [View of the falls.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvbmlhZ2FyYS1mYWxscy12aWV3LW9mLXRoZS1mYWxscy03ODZlN2QtNjQwLmpwZw%3D%3D/40/20/webp "Niagara Falls. [View of the falls.]")
Niagara Falls. [View of the falls.]
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Niagara, Tuscarora squaw and papoose. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Frost work, Niagara Falls. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Ice view. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
R. R. suspension bridge, Niagara Falls.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.
Below Goat Island. New York Sterecope Card.
Picryl description: Public domain image of a waterfall, cascade, water stream, free to use, no copyright restrictions.