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Start Over You searched for: Author Coast and Geodetic Survey Remove constraint Author: Coast and Geodetic Survey Publish Year Decade 1900 - 1909 Remove constraint Publish Year Decade: 1900 - 1909

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681. Geodesy or measurement of the earth.

683. Gravity.

684. Gravity. Gravedad.

685. Hydrography.

686. Hydrography. Hidrografía.

687. Leveling.

688. Leveling. Nivelación.

689. Magnetics.

690. Magnetics. Estudio magnetico.