These were removed in the late 1980s, although the mess building remained, with personnel moving into housing in the growing suburbs that gradually encroached on the site.

During this period, French settlers began to explore the region and establish settlements that gradually encroached on Natchez territory.

While many of the roadways remain, the concrete has cracked, and nature is gradually encroaching.

Forest gradually encroached on the grasslands and the water table subsided.

Visual loss typically starts at the periphery and may gradually encroach on central vision.

The desert is gradually encroaching on surrounding agricultural areas.

An unidentified enemy is gradually encroaching on the country lands and Cromis appears to be surveying their progress.

Closer were silver threads of river and silver patches of sea, and the dark green tint of life gradually encroaching.

The plots move through stages in which conventional crops predominate at first, but then wild species of useful plants and trees are encouraged to encroach gradually.

Musical sound for its own sake gradually encroached, and libretto writing became the back-office labor of a larger operatic industry.