...shall be harvested and loaded by the grower for the company on cars or delivered at factory sheds :it such times and in such quantities as may be directed...each grower his pro rata amount. The company will uot be liable to receive or pay for beets which are rotten or otherwise unfit or undesirable for making...

..."46. Cement.—All cement shall be delivered in a United States warehouse at Sault Ste. Marie, Mich., at such times and in such quantities as may be directed by the United States agent in charge. It will be inspected, and if not rejected will be issued at the warehouse...

...one-lmndredths dollars ($4.50) per ton, delivered on the cars or in pits as the company may direct. "Said beets shall be harvested and delivered by the...directed by the company, allowing each grower his pro-rata amount. The company will not be liable to receive or pay for beets which are rotten or otherwise...