000 00829cam a22002411 4500
001 gs 49000232
003 DLC
005 20260227111355.0
008 850718s1949 dcua f000 0 eng c
010 _ags 49000232
035 _a(OCoLC)12279857
040 _aU. S. Geol. Survey. Libr.
_cTxHR
_dDLC
042 _apremarc
050 0 0 _aQE75
_b.C5 n. 57
110 2 _aGeological Survey (U.S.)
245 1 0 _aState coordinates and polyconic maps.
_bSome notes on the state plane-coordinate systems and their relation to polyconic quadrangle maps.
_cPrepared by Topographic Division, Research and Technical Control Branch.
260 _aWashington,
_c1949.
300 _a7 p.
_billus.
_c27 cm.
440 0 _aGeological Survey circular
_vno. 57
500 _aCover title.
650 0 _aMap projection.
650 0 _aCartography.
999 _c28398
_d28398