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.

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...

Get the same rite in the rain quality with replacement 4 "x 6 1/2" blades. Get the same rite in the rain quality with replacement 4 "x 6 1/2" blades. Fits No. 204 Ring Binder. Sold in packs of 100 sheets.

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.

Ian McCluskey, director of “Les Voyageurs Sans Trace” captured 31 days of scenic beauty in Wyoming and Arizona. As important as his camera, Ian had brought with him a Rite in the Rain Pen and Journal. Constantly wet and covered in mud, he...

Get the same rite in the rain quality with 4-5 / 8 '' x 7 '' replacement sheets that fit No. 200 and No. 210 ring binders.

Rite In The Rain Field 350 Polydura Bound Notebook. This is a 4 3/4 "x 7 1/2" hard cover polydura field book on stitched pages.

Rite in the rain # 210 ring binders are durable. Made of polydura and rust resistant metals. Receive replacement 5 5/8 "x 7-1 / 2" sheets.