- Publication Title:
- Helena, Mont., Helena Airport. n. p.
- Display Title:
- Instrument approach chart land airport chart] AL-5 to AL-639 (with omissions). AL 192. Helena, Mont., Helena Airport. n. p.
- Series Title:
- Instrument approach chart land airport chart] AL-5 to AL-639 (with omissions).
- Corporate Agency Authors:
- Coast and Geodetic Survey and Commerce Dept.
- Sort Author:
- Coast and Geodetic Survey
- Date:
- Dec. 2, 1947
- Publish Date ISO Format:
- 1947-12-02T00:00:00Z
- Publication Start:
- 19471202
- Publication End:
- 19471202
- Corporate/Agency Author:
- Coast and Geodetic Survey
- Publication month:
- 1
- Publication year:
- 1947
- SuDoc number:
- C 4.9/10:5/947,etc.
- Notes:
- Each 10.5X8 in.
- Notes:
- Each 10.5X8 in. † Distribution Made by Issuing Office. 5c. each.
- Availability:
- † Distribution Made by Issuing Office. 5c. each.
- Monthly Catalog date:
- February 1948
- Monthly Catalog issue number:
- 637
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1948-02-01T00:00:00Z
- Monthly Catalog entry number:
- 2737
- Record start page number:
- 147