This new edition is a revision of the previously published Geological Society of America (GSA) Rock Color Chart prepared by the Rock Color Tables Committee. Included are 115 color chips with Munsell's numerical designation to identify the rock...

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.

For magnetic sampling, in geology.

Protractor W-43 Ruler Metric Scales 1: 500 AND 1: 1000

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

Cordura fabric case to transport notebook, pencils, and an acid dropper. Improved design with an easy-open closure and two waist clips on the reverse, no strap needed. Best case or bag to store Rite In The Rain Special to store your 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...