Attached files
file | filename |
---|---|
EX-32.2 - EX-32.2 - DAWSON GEOPHYSICAL CO | dwsn-20200630ex322550a79.htm |
EX-32.1 - EX-32.1 - DAWSON GEOPHYSICAL CO | dwsn-20200630ex32107b70b.htm |
EX-31.2 - EX-31.2 - DAWSON GEOPHYSICAL CO | dwsn-20200630ex3129e0536.htm |
EX-31.1 - EX-31.1 - DAWSON GEOPHYSICAL CO | dwsn-20200630ex311df5e2f.htm |
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