Table for computing differences of level from angles of elevation and depression.
| Format | Microform |
| Publication Info | [Washington?] : [publisher not identified], [1---?] |
| Description | [pages] ; cm. |
| Subjects |
| General note | Reuse of record except for individual research requires license from LexisNexis Academic & Library Solutions. |
| General note | Document not located for review or filming. |
| Citation/References note | CIS Index to U.S. Executive Branch Documents, 1789-1903, Part III |
| Reproduction note | Joyner- Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1992. 11 x 15 cm. (CIS US Executive Branch Documents, 1789-1909 : no. I1902x-23). |
| Govt. docs number | I 19.2:L 57 |