Contract for test boring to prove the strata underlying the sands  of the North Front Gibraltar.
Publisher: Sutton, Ommanney & Rendall
Published: 1891
Place of publication: London
Language: eng
Number of pages: 12
Subjects: Boring -- Gibraltar.
Notes: Requisition No. 12,052.

Dated 19th day of November, 1891.

At head of title : Colony of Gibraltar.