"PARKWAY PLASTICS, INC."

Great for All Grade Levels!

Hematite-cemented quartz; orthoquartzite.

Chlorite-bearing.

These high-quality, synthetic skeletons are perfect for everyday use.

Light gray, fine-grained, well-foliated, schistose.

Gray-to-brown basaltic, with over 50% vesicles.

Massive, chlorite-rich.

Mounted polaroid sheets.

Good grade, green, massive; copper ore.

Brownish black, intermediate stage between peat and bituminous coal.

Examine Oceanic Water Patterns That Cause the Gulf Stream and El Niño.

Deep blue, massive, with nepheline; key feldspathoid.

Red, classic oolitic texture.

This lamp holder is suitable for miniature base lamps.

Gray to brown mudstone with abundant silt.

Dark gray, with hornblende as the dominant mafic mineral.