IN THE UNITED STATES. 

 MARYLAND Continued. 



415 



Locality. 



Authority. 



Elevation. 



Feet. 



Odenton, copper bolt in parapet of box culvert . P. , B. & W. R. R 148 



Oella B. & O. R. R 154 



Orange Grove .' B. & O. R. R 88 



Orchard W. V. C. & P. Rwy 848 



Oregon U. S. G. S 370 



Osborne, Charles County P., B. & W. R. R 218 



Osborne, Harford County ! B. & O. R. R 73 



Owensville U. S. G. S I 182 



Owings Mills W. M. R. R I 480 



Oxford P., B. &W. R. R 9 



Parkton, N. C. Rwy., copper bolt in rock east U. S. G. S | 421 



of station. 



Parsonburg, B., C. & A. Rwy., iron post at U. S. G. S 80 



Riggin's store. 



Patapsco, Anne Arundel County, square cut P., B. & W. R. R 33 



on back wall of under grade bridge. 



Patapsco, Carroll County W. M. R. R 360 



Patuxent U. S. G. S 184 



Peninsula Junction, spike in telegraph pole U. S. G. S 15 



nearC. B. Rwy. station. 



Pen-Mar W. M. R. R 1, 200 



Perrymansville * P., B. & W. R. R 45 



Do copper bolt in station step P., B. & W. R. R 43 



Perry ville, copper bolt in back wall of Susque- P.,B.&W.R.R 27 



hanna River bridge. 



Phoenix, copper bolt in northwest wing of N. C. Rwy 244 



Bridge No. 20. 



Pikesville W. M. R. R 435 



Piney Grove, Allegany County U. 3- G. S 855 



Piney Grove, Garrett County, spike in tele- U. S. G. S 2, 649 



graph pole opposite abandoned 

 house in road to New Germany. 



Piney Mountain U. S. G. S 2,410 



Plane No. Four , B. & O. R. R 588 



Pleasant Hill, highest point on large stone at U. S. G. S 372 



crossroads. 



Pleasant ville, nail in stump in front of T. A. U. S. G. S 531 



Harkins's house. 



Pocomoke I N. Y., P. & N. R. R 11 



Do. . . aluminum tablet on doorsill of Poco- U. S. G. S 8 



moke City Hotel. 



Do Weather Bureau 37 



Point of Rocks .'. B. & O. R. R 230 



Do square cut on abutment of U. S. C. & G. S 224 



bridge over C. & O. Canal. 



Do B. M. on foundation arch of U. S. C. & G. S 233 



tunnel. 



Popes Creek P., B. & W. R. R 10 



Poplar B. &O. R. R 96 



Port Deposit, P., B. & W. R. R., aluminum U. S. G. S.. 16 



tablet on town hall founda- 

 dation. 



Port Tobacco P., B. & W. R. R 177 



Potomac B. & O. R. R 692 



Do W. V. C. &P. Rwy 679 



Powellville, nail in root of tree in front of U. S. G. S 32 



J. Gailey's house. 



Prices, top of switch clearance post south of U. S. G. S 67 



highway crossing. 



