Rockfall

ALTERNATIVE

September 88 - January 90

ELK

8

Dec 89

Sources

(click here for more information on the data shown below)

---

Electron (Gallup)

16		MONTH to c.88-09-20	ElU p6 Dec 88 88-11-15
17		MONTH to c.89-02-14	ElU p6 May 89 89-04-15
8		MONTH to c.89-12-12	ElU p7 Mar 90 90-02-15