marked transformation

Upon that farm he lived for seven years and his labors wrought a marked transformation in the appearance of the place.

He had there lived for forty-three years and his labors had wrought a marked transformation in the appearance of the place.

He has lived to witness marked transformation in all that pertains to agricultural progress and development in this section.

Mr. Slosson's corn whisky had already wrought a marked transformation in the case of Slosson himself.

In that brief twelve months the relative position of the submarine had undergone a marked transformation.