Sky with ocean joined : proceedings of the sesquicentennial symposia of the U.S. Naval Observatory, December 5 and 8, 1980 / edited by Steven J. Dick and LeRoy E. Doggett.

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Sky with ocean joined : proceedings of the sesquicentennial symposia of the U.S. Naval Observatory, December 5 and 8, 1980 / edited by Steven J. Dick and LeRoy E. Doggett.

United States Naval Observatory -- History -- Congresses.

Astronomical observatories -- Washington (D.C.) -- History -- Congresses.

Institutional History

Dick, Steven J.

Doggett, LeRoy E.

United States Naval Observatory.