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Start Over You searched for: Subjects Geography -- instrumentation Remove constraint Subjects: Geography -- instrumentation Titles On the use of the barometer on surveys and reconnaissances: being a compendium, without plates, of No. 15 of the Professional papers of the Corps of Engineers Remove constraint Titles: On the use of the barometer on surveys and reconnaissances: being a compendium, without plates, of No. 15 of the Professional papers of the Corps of Engineers

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