Mechanical excavation systems / by John A. Lombardi and Charles V. Jude.
| Author/creator | Lombardi, John A. |
| Other author | Jude, Charles V. |
| Other author | United States. Bureau of Mines. |
| Format | Microform |
| Publication Info | [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, 1995- |
| Description | volumes : illustrations ; 28 cm. |
| Subjects |
| Series | Information circular ; 9432 Information circular (United States. Bureau of Mines) 9432. ^A137253 |
| Incomplete content | 3. Environmental applications. |
| General note | Description based on pt. 3. |
| General note | "In three parts." |
| General note | Distributed to depository libraries in microfiche. |
| General note | Shipping list no.: 97-0942-M (pt. 3). |
| Bibliography note | Includes bibliographical references (pt. 3, p. 6). |
| Reproduction note | Joyner- Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1997- <1> microfiche : negative. |
| GPO item number | 0637-A (MF) |
| Govt. docs number | I 28.27:9432 |