Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Q: The 100 maps selected for representation from the Survey yield information on several hundred words, some of which are clear variants, others quite different lexical entities. For instance, Map 34 shows the areas, marked off by boundary lines, where the variants chimley chimbley, chimmock, chimdey, chimbey, and chimney occur.
A:
The maps selected for representation yield information. Some are clear variants, others different lexical entities. Map 34 is an example of that.