On back of photo stamp indicates photo is from Alexander Turnbull Library Collection.

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

During construction

Date printed on front of photo (bottom left) – 17:2:36

Mangahao Hydro-electric Scheme, 1936 1 B&W photo print

Looking downstream from foot of dam to coffer dam. Another view of preparations to repair scouring & damage to coffer dam at foot of No. 2 dam (Lower Mangahao Dam).

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

Penciled on back - Surge-chamber in course of construction also framework of tunnel.

Written on back with blue ballpoint pen – Mr & Mrs W. H. Walker.

This photo used in book – ‘An eye for country, the life and work of Leslie Adkin’ between pages 112 & 113, & dated as having been taken 20 May 1923.

Mangahao Hydro-electric Scheme, 1920’s 1 Sepia tone photo print – Fragile

Surge chamber, showing outlet to penstock pipes with Mr & Mrs Bill Walker. See also – #.0013

This photo used in ‘Leslie Adkin book’, between pages 112 & 113.

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Penciled on back - Surge-chamber (Ernie Lancaster & Bill Walker)

Photo taken same day as #.0014 (which is pictured in ‘Leslie Adkin book’ and dated as being taken on 20 May 1923).

Mangahao Hydro-electric Scheme, 1920’s 1 Sepia tone photo print – Fragile

Surge chamber, showing inlet tunnel from Lower Mangahao Dam with Ernie Lancaster (left) and Mr & Mrs Bill Walker. See also – #.0014

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Penciled on back - Exit of tunnel from main dam, Mangahao into Arapeti basin.

Written on back with black ballpoint pen - H. [?] Walker in entrance.

Mangahao Hydro-electric Scheme, 1920’s 1 Sepia tone photo print – Fragile

Exit of tunnel from main dam (Lower Mangahao Dam) into Arapeti Reservoir. Bill Walker in entrance.

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Penciled on back - Top of Mangahao dam showing base of flood-gates.

Mangahao Hydro-electric Scheme, 1920’s 1 Sepia tone photo print – Fragile

Inside top of Mangahao Dam flood-gate gallery ? Man (unknown ?)

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Penciled on back - Back slope of Tokomaru Dam, Mar. 30-1924

Mangahao Hydro-electric Scheme, 1920’s 1 Sepia tone photo print – Fragile

Another view of Tokomaru Dam (Arapeti) nearing completion. Backslope (downstream side) & Bill Walker ?

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

No 1 Mangahao dam and terraced campsite, early 1920’s 1 B&W photo print

Shows dam construction well advanced. Huts precariously perched in tiers on hillside. Steel tower erected to assist with dam construction.

See also – Acc. #s2002.088.0016 (identical photo, sepia, in brown album). & #s2002.086.0023

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Construction of Main Dam, Mangahao, early 1920’s 1 B&W photo print

View through ‘gap’ in dam through which flood waters frequently pour. Steel tower (left) erected to assist with dam construction.

See also – Acc. #s2002.088.0017 (identical photo, sepia, in brown album). & #s2002.086.0021

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

This photo was scanned from one owned by Bob Ayson of Foxton. Unfortunately we still need to name it.

during construction

Concrete lining of the Mangahao surge chamber - 75ft in diameter at the top and 75ft deep.

Excavation for surge chamber, Mangahao Hydro project. Photographed by George Leslie Adkins 27 August 1922.

Inscriptions: Inscribed - On album page - beneath image: Fig 122. The excavation for the surge chamber completed and ready for the lining of concrete. The pit is 75ft in diameter at the top and 75ft deep. 27.8.22.

From: http://natlib.govt.nz/records/22540601?search[i][category]=Images&search[path]=items&search[text]=mangahao

During construction

during construction

During construction

Information on back of original photograph - 27/10/1926 Drilling opening up for Bye Pan Tunnel. See 588 sanson (sp?) place (sp?)

Four unidentified men ‘hand drilling’ entrance for by-pass tunnel, 27 October 1926

See also image #.0106 another view.

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Information on back of original photograph - 3/5/23 water pump in no 2 tunnel

Man (unidentified) at waterpump in No.2 Tunnel, 3 May 1923

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Typed at bottom of photo on one of the copies – J.B. Butler: Shannon

Stamped on back of this copy with dark blue ink - Shannon Centennial 1887 – 1987

Written on back of other copy with black pen – 3(a) The late J.B. Butler of Shannon Pump Attendant

Mr J.B. (‘Bernie) Butler (pump attendant), first tunnel victim, 1922 1 B&W photo print, copy (plus additional copy)

Probably an earlier portrait photo, appears to be wearing a rugby jersey.

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Typed at bottom of photo on one of the copies – A.E. Maxwell. Tunnel Foreman

Stamped on back of this copy with dark blue ink - Shannon Centennial 1887 – 1987

Written on back of other copy with black pen – (4) The late A.E. Maxwell of Wanganui. Tunnel Foreman

Mr A.E. Maxwell (tunnel foreman), second tunnel victim, 1922 1 B&W photo print, copy

Probably an earlier portrait photo.

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”