Helicopter Air Service, Inc. : proposed system /
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| Author / Creator: | Roadcap, Roy R. (Roy Reginald) |
|---|---|
| Imprint: | [S.l.] : Helicopter Air Service, Inc., [195-] |
| Description: | 1 map ; 26 x 23 cm., on sheet 28 x 43 cm. |
| Language: | English |
| Subject: | |
| Cartographic data: | Not drawn to scale. |
| Format: | Map Print |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/5000995 |