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View History:
Monthly
Annual
Download Data (XLS File)
U.S. Maximum Number of Active Crews Engaged in Seismic Surveying (Number of Elements)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2000
NA
NA
62
63
59
63
58
61
59
63
62
65
2001
61
61
63
65
64
60
58
56
54
58
59
58
2002
54
57
54
51
50
56
57
50
43
2003
40
41
41
40
38
39
41
43
39
39
38
42
2004
43
45
45
45
44
49
48
49
48
48
49
50
2005
52
53
51
50
55
57
54
55
56
57
57
58
2006
55
57
59
58
58
57
66
62
63
64
65
64
Release Date: 9/2/2008
Next Release Date: 10/2/2008
Referring Pages:
Maximum U.S. Active Seismic Crew Counts
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