Beschreibung:
Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. To the drillers of the United States and of Canada, the men who have developed modern practices of well drilling at home and abroad, this volume is respectfully dedicated.
To the drillers of the United States and of Canada, the men who have developed modern practices of well drilling at home and abroad, this volume is respectfully dedicated.