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.

Mylar waterproof paper sheets for drawing and geological mapping.

Universal Pattern, Yellow PolyDura Cover, 50 Sheets (100 Pages). Waterproof paper: 100 pages / 50 sheets per pocket notepad. All-weather paper doesn't get wet when wet and repels water, sweat, grease, mud and will even survive accidental...

Field resistant PolyDura covers. Chromium, rust resistant metals. Transparent storage pocket. Holds standard 4-5 / 8 ”x 7” cut-sheet paper with six rings.

Tungsten carbide-tipped pencil for estimating the relative hardness of minerals; it also consists of a permanent magnet to establish magnetic minerals.

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.

Field desk for geologists and professional explorers. Stores 8 1/2 x 11 in. Sheets (up to 200 sheets), pencils and other field equipment inside the durable polydura plastic housing. With a warmer feel than a conveniently lightweight and...

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.