APPENDIX No. 4 bis. List of Assistant Engineers United States navy on Coast Survey duty, September 1, 1851. From 1844 to 1850. For 1850. Total from beginning of survey. APPENDIX No. 5. Results of the Coast Survey at different periods, from 1844 to 1851. Extent of shore line, reckoning bays, sounds, &c.. 4,831 902 8,948 Containing sheets.. 188 Records, triangulation, base, &c., No. of vols... 271 Astronomical observations. .do. 168 8 266 Computations, astronomical. .do. 148 16 170 Magnetic observations.. .do.. 40 5 49 Original hydrographical books, soundings, and angles, No. of vols.. 514 170 863 Duplicates of same. .do 44 12 83 Hydrographic books, tidal and current observ's, and tidal reductions, No. of vols. 221 62 291 Printed sheets of maps distributed, Printed sheets of maps, for sale by agents..do Instruments, value of.. .No. of 9,526 326 9,852 |