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This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification:++++ Memoir Of The Life Of Major-General Colby: R.E., LL.D., F.R.S.L. & E., F.R.A.S., F.G.S., M.R.I.A., Etc: Together With A Sketch Of The Origin And Progress Of The Ordnance Survey Of Great Britain And Ireland; A Work With Which General Colby Was Connected For Forty-five Years Joseph Ellison Portlock Seeley, Jackson & Halliday, 1869 Science; Earth Sciences; Geography; Biography; Science / Earth Sciences / Geography
![Report on the Geology of the County of Londonderry, and of parts of Tyrone and Fermanagh. [With maps and plates.]](../upload_book_cover/81143BR_685d31cc5998e7143.jpg)
