| 000 | 00985cam a22002651i 4500 | ||
|---|---|---|---|
| 001 | gs 52000105 | ||
| 003 | DLC | ||
| 005 | 20260227111358.0 | ||
| 008 | 780316s1950 dcuab f000 0 eng | ||
| 010 | _ags 52000105 | ||
| 035 | _a(OCoLC)3723994 | ||
| 040 |
_aDLC _cOClU _dISS _dOCoLC _dDLC |
||
| 050 | 0 | 0 |
_aQE75 _b.P9 no. 217 |
| 051 |
_aQE445 _b.D25 |
||
| 082 | _a552 | ||
| 086 | 0 | _aI 19.16:217 | |
| 100 | 1 |
_aDarton, Nelson Horatio, _d1865-1948. |
|
| 245 | 1 | 0 |
_aConfiguration of the bedrock surface of the District of Columbia and vicinity. _cThis report embodies subsurface data of interest to engineers and builders compiled from 1890 to 1940. |
| 260 |
_aWashington : _bU.S. Govt. Print. Off., _c1950. |
||
| 300 |
_a42 p. : _bill., maps (part col., 4 in pocket) ; _c29 cm. |
||
| 410 | 2 | 0 |
_aGeological Survey (U.S.). _tProfessional paper ; _v217 |
| 650 | 0 |
_aPetrology _zWashington (D.C.) |
|
| 650 | 0 |
_aPhysical geography _zWashington (D.C.) |
|
| 650 | 0 |
_aBorings _zWashington (D.C.) |
|
| 999 |
_c28630 _d28630 |
||