dutcher l c h e thomas (4 risultati)

Condizione: very good. from the abstract, "The major problem in the Tabulbah area, Tunisia, is that the current (1963) rate of pumping from wells is depleting the ground-water reservoir. The water being pumped from storage is of better quality than some of the water that replenishes the aquifers; so, even if the rate of withdrawal is reduced, the quality of water in some wells may deteriorate." DX4. softcover, 9" x 6", 29 pages, 5 foldout plates inside rear pocket.

Condizione: very good. from the preface, "This report is the second of four being published by the U.S. Geological Survey, as chapters of Water Supply Paper 1757, on a project of technical assistance to the Government of Tunisia in hydrologic mapping and training." DX4. softcover, 9" x 6", 40 pages, 4 foldout plates inside rear pocket.

Condizione: very good. from the abstract, "This report discusses the regional geologic and hydrologic features of the Sahil Susah (coastal area) and the large-bordering area in central Tunisia west of Susah. It considers the ground-water within this area of more than 24,000 square kilometers." DF3. orange wrap, 4 plates foldouts inside rear cover, 53 pages.

Soft cover. Condizione: Very Good. 53 pages with tables, map and references, plus the four large folded maps in the rear pocket. Bound in original orange stiff paper paper covers printed in black. Library stamp and call number on the front cover. No other library markings, plates or pocket were ever present. A very good copy. Book.