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Media tagged "Nissen-Petersen"

In Defence of Sand Dams

Water from Rocks

COM_HWDMS_MEDIA_TYPE
12:00
Water from Rocks

Water from roads

COM_HWDMS_MEDIA_TYPE
12:01
Water from roads

Nissen-Petersen: sand dams vs subsurface dams

COM_HWDMS_MEDIA_TYPE
7:54
Nissen-Petersen: sand dams vs subsurface dams

Erik Nissen-Petersen: Infonet Biovision

COM_HWDMS_MEDIA_TYPE
3:21
Erik Nissen-Petersen: Infonet Biovision

Erik Nissen-Petersen: scope for water harvesting

COM_HWDMS_MEDIA_TYPE
4:18
Erik Nissen-Petersen: scope for water harvesting

Weirs

COM_HWDMS_MEDIA_TYPE
6:07
Weirs

Rock catchments

COM_HWDMS_MEDIA_TYPE
5:16
Rock catchments

Wells and subsurface dams in riverbeds

COM_HWDMS_MEDIA_TYPE
9:32
Wells and subsurface dams in riverbeds