. Manual of recommended practice for railway engineering and maintenance of way . IONAL SIGNS. CONCLUSION AND RECOMMENDED PRACTICE. Standard Conventional Signs for use on right-of-way, topographicaland other maps are desirable in railroad work, and the ConventionalSigns illustrated on forms M. W. 1020, M. W. 1021 and M. W. 1022are recommended as good practice. Form M. W. 1020. x\\\\\\\\\\\\\\\\\\\\\\\\\\\^^^^^^ Keci eedl ^eci Right-of-way Lines— Section or Block Lines. Surv
. Manual of recommended practice for railway engineering and maintenance of way . IONAL SIGNS. CONCLUSION AND RECOMMENDED PRACTICE. Standard Conventional Signs for use on right-of-way, topographicaland other maps are desirable in railroad work, and the ConventionalSigns illustrated on forms M. W. 1020, M. W. 1021 and M. W. 1022are recommended as good practice. Form M. W. 1020. x\\\\\\\\\\\\\\\\\\\\\\\\\\\^^^^^^ Keci eedl ^eci Right-of-way Lines— Section or Block Lines. Survey Lines. Preliminary Location Survey.^ Monumented Center Lines. Original Center Lines. U. S. Harbor Lines. ♦ Adopted, Vol. 8, 1907, pp. 114, 121-125, 134. 222 RECORDS, REPORTS AND ACCOUNTS. S^ecifq Kind sTh^-V, ..-•;..-*----V::✌️:::^-- Private and Secondary Roads. .,--• y\ .-■• Trails. * V,.* »—- ------------ Railroads under Construction. II imnUiininiim ■ I I ■ ■ ■ I ■ ■ -1— Street Railroads. Canals. Surface and Grade -Z North Point. Buildings and Villages. CHI 11 11 I Cities and Tbwns. rni II 11 1 ^^fff^^^^^!^,^,,,,,^,^^ Coal Outcrop. ^^ Test \ Opening ^y^ Mine in Operation. B M Bench Mark. B Shaft. /X Triangulation Station. Mine Tunnels. Q Property Corners and Survey Station. 17 I ifcCTop) Section Corner. _2o| (NoH-Vt) Sed-,_ Ho. Section Center. I7.,S ^ —A— Construction Section Lines. Transit « Stone Monument. \r-«v-> Iron Monument. RECORDS, REPORTS AND ACCOUNTS. CONVENTIONAL SIGNS—GROUP 2. 223 Form M. W. 1021. —X ■ I. x ^^- Common Water Pipe. -> > > ••>- Other Water Pipe. —I 1 1- Sfeam Pipe. _o o o- Compressed Air Pipe. ^OOOOkWWWWWWWW Pintsch Gas Pipe. *i ; . ; - Sewer Pipe. f h f r Telegraph Line. C>We Ho. o-? Wices. -r-*^ rv__r>_^ Signal Line. ====== Old Tracks to Remain. --_---_--_---- Old Tracks to be Moved
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