58 



U, S. COAST AND GEODETIC SURVEY 



CO CS CS <-H C^ J C^ Tt< C^ Tf -*f CO Ol CS <M 



■^h-t-r-.ioeoc305Dt-»oooas>— tcccDC^ 



NCSC^CSCNJCSCOCO 



00000000000000000 

 cJoooo 0000000' 000' 00 



0'~«cDccr-*cDr-co»oc^ioo'^coT-»GO 



000000»OiOOiCOQOiOOOOO 

 COC^CC!N(N^'-iC^!MC-)!NC^COeoeOC^ 





CO »o 



00 



OCMCO t--0 



C^ CO '^ cc «o 



00000 



-- O OCO*-" 



CO »0 ■'4' 



000 



r- "^ CD 00 



CD 00 -H CO 



o'o 



OOiCOOfCXOOMcC-^ 



0"^COCO"^iO'^C^CO»C.-< 



u:jT-iro(N(Mcocococ^ifoo 

 00000000' 000' 



fOON'TfUT'COI^-fTt^ 

 i-H^CO(NTt<OOOCC 



'<iOC0iONCSr^Tf'-(t^O5l^^DG0 



^CO»OCCQOOJO-^C 

 NN«NNC^COCO 



eOOOOO:^ — CCGOO"^C^OfCC^C<liCCC— ■ 



O o o o o' O O O* o o o o o" o" o' o o' o 



(NCOXCOt^'^OODr'^h-r-XifNTfCD 



cnx)-HTriococD'^xcDiOi-«Tf(Ni^oo 



CO <M CO'-' -H ^ 



) CO C^ CD CO <— I 



I r>- .— I 00 CO N «-• -^ i>- 10 00 CO h- cc CO '-« t>- 



—< C^ rp TT" O Oi 1-" C^ ■^ 10 CO -^ CD 00 ■^ 

 C^» Cq CS CM CO CS CO CO ^H ^ ^H ^ CM 





COOOOJOiOOOOCOCTXiOfOt^OC'^iO— « 



c^ro^— ■'-'—' — «—'00—*--'^^0'«o 

 o o' o o o' o o' o o o' o o' o' o o o o* o* 



icoocDr^Oieor^ooc^'<*^ocD'-<*oco 



t^iCCMCOI'-CDr^'-'^CD-HC^I^OOCDOO 

 CM *-H CM .-H —1 CM — < t^ CM CO i-H CO C^ 





^ go 



