There are many granulometric scales in use, but the Udden-Wentworth scale (commonly known as the Wentworth scale) is the most widely used in geology.

It may sound simple, but this bound book is really tough. Made from authentic durable outdoor components, the Fabrikoid cover, all-weather paper, and even glue are designed to withstand the elements. The 310F Waterproof Field Book has 160...

Size - 36 in x 500 ft roll weight - 33.25 lbs. Patented large format rite in the rain xerographic paper for drawings and specifications. No more laminating your important documents to use on your project. All weather paper.

While a pencil works great with rite in the rain products, sometimes a pen is needed. Don't worry about running out of ink, refills will accommodate all models of rite in the rain pens.

These are the loose sheets that professionals use. Special 6-groove round punches fit Rite in No. 200 (43455), No. 9200 (49440), and No. 9200T (49441) Rain Ring Binders. 4-5 / 8˝ x 7˝ sheet size. Pack of 100 sheets. Tough, durable and weather...

For magnetic sampling, in geology.

Get the same rite in the rain quality with replacement 4-3 / 4 "x 7-1 / 2" blades. Fits No. 200 and No. 210 ring binders. Sold in packs of 100 sheets. size - 4-3 / 4 '' x 7-1 / 2 ''