What does BLOCK OF SURVEYS mean?

BLOCK OF SURVEYS meaning in Law Dictionary

In Pennsylvania land law. Any significant body of contiguous tracts surveyed in title of the identical warrantee, without regard to the way in which where they were originally positioned ; a body of contiguous tracts located by external outlines, although not separated from one another by interior lines. Morrison v. Seaman, 183 Pa. 74, 38 Atl. 710; Ferguson v. Bloom, 144 Pa. 549, 23 Atl. 49.