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| exploring; pioneer operations; prospects | |||
| prospecting | |||
| appraisal survey; exploration works; prospecting works | |||
| prospecting (для пром. оценки месторождений полезных ископаемых) | |||
| field reconnaissance | |||
| exploration effort (Leonid Dzhepko) | |||
| prospecting work; exploratory operations (olga garkovik) | |||
| reconnaissance surveying | |||
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| prospecting | |||
| разведочные работы: 114 phrases, 20 sujets |