| GMD | Text![]() |
| Classification | 711.937 MAC |
| Publisher | Boston, Houghton Mifflin Co., c1985. |
| Subject | City and town life.Underground utility lines.Underground construction. |
| Series | Sandpiper Houghton Mifflin books. |
| Description | 112 p. illus. 32 cm. |
| ISBN | 9780395340653 |