Dragon magazine 170

Dragon issue 170, 15th Anniversary Issue: Our best friends, our worst enemies, was released in June of 1991. It contained the following articles related to the Forgotten Realms:
==Crossing Dragons With Everything==
: By Gregory W. Detwiler. p. 19–24
Several dragon hybrid creatures: the mantidrake, the dracimera, and the wyvern drake. 
==The Dragon's Bestiary: Give your campaign some heavy metal—dragons that is==
: By Jason M. Walker. p. 26–32
The ferrous metal dragons. 
* Chromium dragon (chrome dragon)
* Cobalt dragon
* Gruaghlothor
* Iron dragon
* Nickel dragon
* Tungsten dragon
==TSR Previews==
: By Uncredited. p. 71
New products for June and July.
* Horde Campaign sourcebook.
* The Drow of the Underdark sourcebook.
* The Parched Sea novel.
==The Pitfalls of Game Mastering==
: By Steve Maurer. p. 87
Where GMs can go wrong, how how to fix it when they do.
==Endings and Beginnings: the Forgotten Realms series==
: By Marlys Heeszel. p. 96
The ending of The Finder's Stone, Dark Elf, and Maztica trilogies; and the beginning of The Harpers series.
==Appendix==
===Connections===