Papua New Guinea Department of Mineral Resources, Geological Survey report /
PNG Dept. of Mineral Resources, Geological Survey.
- Port Moresby : PNG Geological Survey, 1998-
- v. : ill., maps.
Irrigation--Research--Markham Valley (Papua New Guinea).
Water--Research.--Markham Valley (Papua New Guinea)
Groundwater--Quality.--Markham Valley (Papua New Guinea)
Water quality--Markham Valley (Papua New Guinea).
559.53
Irrigation--Research--Markham Valley (Papua New Guinea).
Water--Research.--Markham Valley (Papua New Guinea)
Groundwater--Quality.--Markham Valley (Papua New Guinea)
Water quality--Markham Valley (Papua New Guinea).
559.53