Dragon magazine 152

Dragon issue 152. In the darkness dwell things darker still, was released in December of 1989. It contained the following articles related to the Forgotten Realms:
==The Ecology of the Umber Hulk==
: By Tony Jones. p. 10
A scholarly treatise on the Umber Hulk.
==In a Cavern, In a Canyon...==
: By Thomas M. Kane, illustrated by Jeff Echevarria. p. 18-27
Rules for mining and metallurgy.
==The Wanderers Below==
: By Buddy Pennington. p. 28
Random encounter tables for the Underdark.
==Servants of the Jeweled Dagger==
: By Eric Oppen. p. 40
The lives and habits of the gray dwarves, or duergar.
==The First Notch==
: By R.A. Salvatore. p. 44
An early adventure of the dwarf Bruenor Battlehammer.
==Through the Looking Glass==
: By Jim Bambra. p. 81-82
A review of Cities of Mystery from the miniature gamer's perspective. 
==Appendix==
===Connections===