Mailing Address
508 WEST WALL
SUITE 800
MIDLAND TX 79701
Business Address
508 WEST WALL
SUITE 800
MIDLAND TX 79701
9156843000
DAWSON GEOPHYSICAL CO (Subject)
CIK: 0000351231 (see all company filings)
IRS No.: 750970548 | State of Incorp.: TX | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-39364 | Film No.: 15561428
SIC: 1382 Oil & Gas Field Exploration Services
Mailing Address
55 EAST 52ND STREET
NEW YORK NY 10055
Business Address
55 EAST 52ND STREET
NEW YORK NY 10055
212-810-5300
BlackRock Inc. (Filed by)
CIK: 0001364742 (see all company filings)
IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 0226
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies
