British Blue Back Chart of California Coast

Imray, James (1803–1870).
Chart of the Coast of California from San Blas to San Francisco.
Engraved map.
James Imray & Son, 1862.
26¼" x 56½" sheet.
drawn chiefly from the Spanish surveys, the charts of Vancouver &c. the whole much improved by recent observations made by English and French naval officers. No.9. Two-sheet blue-back nautical chart with soundings. Many profiles, six insets. Handsome period graphics. Expertly restored.