From the IBS group page
Group
2011 Group Match Results
14-15 May - Weikert, Pennsylvania: Nate Boop Rich Altemus Memorial Shoot
27 March - Dunhams Bay, New York: Annual Winter Series Match #4
13 February - Dunhams Bay, New York: Annual Winter Series Match #3
6 February - Dunhams Bay, New York: Annual Winter Series Match #2
30 January - Dunhams Bay, New York: Annual Winter Series Match #1
2010 Group Match Results
11-12 September - Canastota, New York: IBS 200-300 yard National Championship Match
28-29 August - Webster City, Iowa
16-21 August - Weikert, Pennsylvania: 41st IBS 100-200 yard National Championship Match
24-25 Jully - Webster City, Iowa
17-18 July - Camillus, New York: Camillus Pro-AM
3-4 July - Mainville, Pennsylvania: BR Memorial Shoot
19-20 June - Gillette, Pennsylvania: Michelle Sutton Memorial Charity Classic III
5-6 June - Mainville, Pennsylvania: 15th Keystone Challenge
8-9 May - Weikert, Pennsylvania: Nate Boop Rich Altemus Memorial Shoot
7 March - Dunhams Bay, New York: Annual Winter Series Match #5
28 February - Dunhams Bay, New York: Annual Winter Series Match #4
21 February - Dunhams Bay, New York: Annual Winter Series Match #3
10 January - Dunhams Bay, New York: Annual Winter Series Match #2
3 January - Dunhams Bay, New York: Annual Winter Series Match #1
2009 Group Match Results
29-30 August - Canastota, New York: IBS 200-300 yard National Championship Match
10-15 August - Weikert, Pennsylvania: 40th IBS 100-200 yard National Championship
25-26 July - Webster City, Iowa
18-19 July - Camillus, New York: Camillus Pro-AM
4-5 July - Mainville, Pennsylvania: Myles Hollister Memorial Match
20-21 June - Gillette, Pennsylvania: Michelle Sutton Memorial Charity Classic II
6-7 June - Mainville, Pennsylvania: 14th Keystone Challenge
9-10 May - Weikert, Pennsylvania: Nate Boop Rich Altemus Memorial Shoot
29 March - Dunhams Bay, New York: Annual Winter Series
1 February - Dunhams Bay, New York: Annual Winter Series
15 February - Dunhams Bay, New York: Annual Winter Series
22 February - Dunhams Bay, New York: Annual Winter Series
Looks like the Northeast to me.
Sorry about the dinosaur comment, but the IBS always seems to be a step behind the NBRSA when it comes to trying new things.