Archive A. Senn: Contents of Lista unit 15, drawer 9

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Original drawings of A. Senn's geological maps, ground water drawings and sketches from Barbados. ­ Signature: NMB GK.BAR.5 (Document collection)

• Senn, A. (1943?). Waterwell map of Barbados, with contours of water bearing horizon at the base of Coralrock formation. Scale approx. 1:46'800. (1 paper map and 1 transparency). Senn's Document No. 701
• Senn, A. (1943). Old waterwell of Waterworks Department called «Plumtree-gully», in big gully starting at Gregg farm. Scale 1:100. Drawing, coloured. Senn's Document No. 702
• Senn, A. (1948). Map of Barbados (B.W.I.) showing water wells and Craelius wells piercing the Coralrock formation. Scale 1:46'800. (1 transparency and 2 blueprints). Senn's Document No. 703
• Senn, A. (1944). Situation East Point Waterwells. Scale 1:1'000. Hand drawn and colored original sections. Showing waterwells (numbered 1-8). Senn's Document No. 704.
• Senn, A. (1943). Geological map of Fairly Hill. Scale 1:1'000. Drawing, coloured. Senn's Document No. 705.
• Senn, A. (1942). Hanson water well. Scale 1:100. Enclosure of the British Union Oil Co Ltd Geological Memorandum No. 60. Senn's Document No. 706.
• Senn, A. (1942/1943). Geological Sketch map and section of bottom of Fairfield Waterwell, Parish of St. Lucy, Barbados, B.W.I. The British Union Oil Company Ltd. Geological Memorandum No. 63, enclosure. Senn's Document No. 707
• Senn, A. (o.J.). Skizze des Gebiets von Lancaster und Blowers. Scale 1:5'000. Drawing. Senn's Document No. 709.
• Profil durch die Coralrock-Formation von Porters nach Apes Hill. Drawing. Senn's Document No. 710.
• Senn, A. (194?). Karte von Barbados Bohrungen im Gebiet der Coralstock-Formation, mit Angaben der geologischen Ergebnisse der Wasserbohrungen. Senn's Document No. 711
• Senn, A. (1946) : Report of the British Union Oil Company Limited on geological investigations of the ground-water resources of Barbados, B.W.I. (Signature : NMB SGK S478.01)
• Geological map of Barbados. Aerial survey of Barbados, geological mosaic, Scale approx. 1:25'000. Hand colored map.
  

More archive files & private reports to the geological studies of Alfred Senn in Barbados are deposited in K3/Wandregal.