GDG- Biddle's Redeployment

[IDunc at aol.com]

In researching the last sentence below, I found in David Martin's book  
GETTYSBURG JULY 1 (revised edition) on page 341 the following:
 
"The deciding factor in persuading Lee to make the engagement a general one  
was probably the fact that he could see Doubleday shifting Biddle's troops 
from  Hill's front to face Daniel along the Chambersburg Pike." 
 
Okay, I'm confused. No where can I find Biddle's brigade being deployed  that 
far north  Is it possible that Martin is actually referring to the  
redeployment that Jim Cameron described below?

<<The Iron Brigade's position in the woods wasn't as strong as it  mightseem.
The brigade line was somewhat curved, not overly  long, and, due to Biddle
being well to the left rear, and Stone having to  contend with threats from
the north, not well supported on either flank.  Herr Ridge also dominated the
position, and the Confederates had built up  an effective gun line, which
actually (and somewhat unusually, for  Gettysburg) had the upper hand over
Wainwright's 1st Corps artillery. In  effect, the Iron Brigade occupied an
isloated salient, both dominated by  high ground to the front, and very
vulnerable to being turned on either  flank.  Biddle couldn't be brought up
for much the same reason the  Iron Brigade's position wasn't as strong as it
appeared.  The area  south of the woods, where it would have needed to be to
tie into and extend  the Iron Brigade's line, was too open and exposed to
Confederate fire from  Herr Ridge.  Back in the swale bethind the Iron
Brigade was no bargain  either, however, since a line there was enfiladed by
Confederate artillery  on Oak Hill.  (At one point prior to Pettigrew's
attack, Biddle  was actually formed on an east-west line, to lessen his
exposure to the Oak  Hill artillery fire.)

 



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