Crochet Square Pattern for Workbasket Afghan

Crocheted Afghan:   This pattern gives directions to crochet the afghan pictured.  "You can crochet this afghan in a very short time because it is easy to make and works up fast. It is composed of 120 blocks, each about 4-3/4 inches square. Make it 12 blocks long and 10 blocks wide. The completed afghan is about 50x60 inches.

The original was made in black and three shades of blue knitting worsted. It requires approximately 3 four-ounce skeins of black, 5 skeins of light blue, 6 skeins of medium blue and 4 skeins of dark blue. Use a size 3 or 4 crochet hook.