Correspondence, charts, reports, measurements, and map of boreholes at Kilima Kiu. The main correspondent is the Public Works Department.

Correspondence and invoices concerning the completion of boreholes at Kilima Kiu.

Notes and correspondence about costing, equipment, and construction.

Correspondence, notes, plans, and proposals about laying pipes from boreholes. Largely correspondence with business firms.

Notes, correspondence, and surveys. Subjects include the construction of small earth dams, bank loans for construction, and permits. Correspondents include the Soil Conservation Service and the Director of Agriculture. 101 leaves and one item.