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Table for computing differences of level from angles of elevation and depression
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | CIS US EXEC MF I1902X-23 | ✔ Available |
Fourth general adjustment of precise level net in U.S. and resulting standard elevations
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | CIS US EXEC MF C4.19-18 | ✔ Available |
Table of differences of altitude to nearest foot for angles from 1 minute to 2 degrees and for distances under 1 mile
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | CIS US EXEC MF I1902X-2 | ✔ Available |
Tables showing difference of level in feet, corresponding to given angle, when distance is read in metres or feet, and for horizontal reductions, for use with stadia
| Location | Call # | Status |
|---|---|---|
| Joyner - Microforms B300 | CIS US EXEC MF W3302-1 | ✔ Available |