Proposed diversion dam site on Virgin River a quarter mile above headquarters area. ; ZION Museum and Archives Image ZION 10292 ; ZION 10292
River control and revetments along the Virgin River near the South Campground. ; ZION Museum and Archives Image ZION 10313 ; ZION 10313
Zion Civilian Conservation Corps (CCC) workers constructing a stone basket dam at the NPS utility area. ; ZION Museum and Archives Image ZION 13295 ; ZION 13295
Basket dam construction and associated cribbing along the Virgin River. ; ZION Museum and Archives Image ZION 13373 ; ZION 13373
Rock wall or dike constructed along the riverbank at the Temple of Sinawava. ; ZION Museum and Archives Image ZION 13482 ; ZION 13482
Channel change' rock cribbing channelization work alongside the Virgin River near the South Entrance. ; ZION Museum and Archives Image ZION 13502 ; ZION 13502
Channel change' rock cribbing channelization work alongside the Virgin River near the South Entrance. View of cc workers and steam shovel on river bank. ; ZION Museum and Archives Image ZION 13503 ; ZION 13503
Civilian Conservation Corps (CCC) workers and park laborers completing work on a diversion dam 'spill slue way.' [Original negative number 1167.] ; ZION Museum and Archives Image ZION 13510 ; ZION 13510
Civilian Conservation Corps (CCC) workers and park laborers engaged in diversion dam construction rock work. ; ZION Museum and Archives Image ZION 13511 ; ZION 13511
Civilian Conservation Corps (CCC) workers and park laborers engaged in diversion dam construction rock work. ; ZION Museum and Archives Image ZION 13512 ; ZION 13512
Civilian Conservation Corps (CCC) workers and park laborers constructing a sedimentation box at the Virgin River diversion dam. ; ZION Museum and Archives Image ZION 13513 ; ZION 13513
The Virgin River and the diversion dam. ; ZION Museum and Archives Image ZION 13514 ; ZION 13514
Basket dam #1 construction along the Virgin River with a view of willow mat underneath the wire. ; ZION Museum and Archives Image ZION 13640 ; ZION 13640
Basket dam #1 construction along the Virgin River with a view of willow mat underneath the wire. ; ZION Museum and Archives Image ZION 13641 ; ZION 13641
Basket dam #2 construction along the Virgin River with a view of workers unloading boulders from the bed of a pickup truck. ; ZION Museum and Archives Image ZION 13642 ; ZION 13642
Basket dam #1 after a flood destroyed a footbridge leaving debris scattered along the banks. ; ZION Museum and Archives Image ZION 13643 ; ZION 13643
Basket dam #1, completed with the exception of back filling along toe of dam. ; ZION Museum and Archives Image ZION 13645 ; ZION 13645
Revetment work along last bank of channel-change #2 during progress of construction. ; ZION Museum and Archives Image ZION 13646 ; ZION 13646
Revetment work along last bank of channel-change #2 during progress of construction. ; ZION Museum and Archives Image ZION 13647 ; ZION 13647
Park power shovel cleaning out bed of river. ; ZION Museum and Archives Image ZION 13648 ; ZION 13648
Channel change #1, note depth cut. ; ZION Museum and Archives Image ZION 13649 ; ZION 13649
Channel change #2, note long straight channel. ; ZION Museum and Archives Image ZION 13650 ; ZION 13650
Channel change #2 before turning river through. New Civilian Conservation Corps (CCC) rock quarry opened up to complete river projects. Man on bank. ; ZION Museum and Archives Image ZION 13651 ; ZION 13651
Completed basket dam. ; ZION Museum and Archives Image ZION 13670 ; ZION 13670
Blue Springs area with spring, wash with dam-type structure and driftwood dams for erosion control for Zion National Monument. ; ZION Museum and Archives Image ZION 7138 ; ZION 7138
Blue Springs area log water retention dam with 2 people. ; ZION Museum and Archives Image ZION 7148 ; ZION 7148
Soil and moisture control revetments, with steam shovel perched on bank of Virgin River. ; ZION Museum and Archives Image ZION 7174 ; ZION 7174
Soil and moisture control along Virgin River with the construction of basket dam. ; ZION Museum and Archives Image ZION 7236 ; ZION 7236
Soil and moisture control revetments along Virgin River. ; ZION Museum and Archives Image ZION 7283 ; ZION 7283
Soil and moisture control in building stone wall on river bank, a quarter mile south of Temple of Sinawava. ; ZION Museum and Archives Image ZION 7575 ; ZION 7575
Construction of retaining wall section 10b on Virgin River between Canyon Junction intersection and Court of the Patriarchs. ; ZION Museum and Archives Image ZION 7579 ; ZION 7579
Construction of retaining wall section 10b on Virgin River between Canyon Junction intersection and Court of the Patriarchs. ; ZION Museum and Archives Image ZION 7580 ; ZION 7580
The construction of retaining wall section 10b Virgin River between intersection and Court of the Patriarchs. ; ZION Museum and Archives Image ZION 7581 ; ZION 7581
Area of proposed diversion dam on the east side, Virgin River. ; ZION Museum and Archives Image ZION 8004 ; ZION 8004
Area of proposed diversion dam on the east side, Virgin River. ; ZION Museum and Archives Image ZION 8006 ; ZION 8006
Area of proposed diversion dam on the east side, Virgin River. ; ZION Museum and Archives Image ZION 8007 ; ZION 8007
Area of proposed diversion dam on the east side, Virgin River. ; ZION Museum and Archives Image ZION 8008 ; ZION 8008
Willow 'spiders,' for stream bank protection, near Weeping Rock. Deer doing extensive damage to new growth on these living structures. Erosion protection works. ; ZION Museum and Archives Image ZION 9322 ; ZION 9322
Close-up: willow 'spiders,' for stream bank protection, near Weeping Rock. Deer doing extensive damage to new growth on these living structures. ; ZION Museum and Archives Image ZION 9324 ; ZION 9324
Well-established willow 'spiders,' for stream bank protection near Zion Lodge footbridge. ; ZION Museum and Archives Image ZION 9325 ; ZION 9325
Willow 'spiders,' for stream bank protection, near Three Patriarchs. Deer doing extensive damage to new growth on these living structures. ; ZION Museum and Archives Image ZION 9326 ; ZION 9326
Willow 'spiders,' for stream bank protection, east bank of Virgin River near Three Patriarchs. ; ZION Museum and Archives Image ZION 9327 ; ZION 9327
Potato Hollow check dams. Day after heavy, slow rain. ; ZION Museum and Archives Image ZION 9328 ; ZION 9328
Crumbling rock-wire revetment #9 mesh wire rusted through. ; ZION Museum and Archives Image ZION 9336 ; ZION 9336
Rock-wire revetment just above NPS sewer farm and below the Springdale ditch. River has undercut structure. ; ZION Museum and Archives Image ZION 9337 ; ZION 9337
Willow 'spider' jetties along narrows trail; have deposited sediment and partially turned. ; ZION Museum and Archives Image ZION 9338 ; ZION 9338
Willow 'spider' jetties, opposite Wiley camp drainage. Survival poor due to heavy deer browsing; endured severe floods. ; ZION Museum and Archives Image ZION 9341 ; ZION 9341
Willow 'spider' jetties, opposite Wiley camp drainage. Survival poor due to heavy deer browsing; endured severe floods. ; ZION Museum and Archives Image ZION 9342 ; ZION 9342
Willow 'spider' jetties, opposite Wiley camp site. ; ZION Museum and Archives Image ZION 9344 ; ZION 9344
Tree and cable and willow spider jetties on Virgin River opposite Wiley camp drainage in need of repair after heavy spring floods. ; ZION Museum and Archives Image ZION 9345 ; ZION 9345
Tree and cable jetties on Virgin River opposite Wiley camp drainage in need of repair after heavy spring floods. [Scratches, pits, fingerprints] ; ZION Museum and Archives Image ZION 9346 ; ZION 9346
Close up of willow 'spider' jetties near Union Pacific Sewer farm. Upper end well-silted, lower end needs additional treatment. ; ZION Museum and Archives Image ZION 9348 ; ZION 9348
Detention dam near sawmill on East Rim. 40 cubic yards of material, drains 20 acres. ; ZION Museum and Archives Image ZION 9350 ; ZION 9350
Detention dam near sawmill on East Rim. 40 cubic yards of material, drains 20 acres. ; ZION Museum and Archives Image ZION 9351 ; ZION 9351
Stream bank protection along eroded stream bank, near old Wiley camp. Logs wired to cables, willow cuttings scattered along logs. ; ZION Museum and Archives Image ZION 9353 ; ZION 9353
Stream bank protection along eroded stream bank, near old Wiley camp. Logs wired to cables, willow cuttings scattered along logs. ; ZION Museum and Archives Image ZION 9354 ; ZION 9354
Tree dam at lower end of Hop Valley constructed by Evan Lee in 1935; 3-feet of sediment deposited. An old rock slide originally dammed the valley resulting in deposition upstream. In recent years this slide has cut out to a depth of 20 to 50-feet. [This vi
Tree dam at lower end of Hop Valley constructed by Evan Lee; 3-feet of sediment. [Also see negative 13138 & 13140] ; ZION Museum and Archives Image ZION 9356 ; ZION 9356
Slide at lower end of Hop Valley. Tree dam constructed by Evan Lee in 1953; 3-feet of sediment deposited. [See also negative 13138 & 13139] ; ZION Museum and Archives Image ZION 9357 ; ZION 9357
Tree planting and willow 'spider' jetties to deposit sediment and deflect river flow to right, near Union Pacific Sewer farm. ; ZION Museum and Archives Image ZION 9359 ; ZION 9359
Detention dams, Potato Hollow, constructed 1950, have completely filled with sediment; water table raised, continued grazing hinders permanent establishment of grasses. ; ZION Museum and Archives Image ZION 9363 ; ZION 9363