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.

Ideal for field work performed by professionals in geology and mining. It incorporates sixteen pages of geological information, including: grain size scales, soil classification, geological map symbols, rock classification diagrams, geological...

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.

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...

15 CM PLASTIC SCALIMETER WITH 12 STANDARDGRAPH SCALES

The Industrial Planner in aluminum is exclusive and resistant, designed and manufactured by Synergy Supplies . With leather case for rulers and 10 compartments for pens.

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,...

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...

For magnetic sampling, in geology.

The eTrex 30 is an upgrade from one of the most reliable and popular handheld GPS devices. Its improved ergonomics and user interface, "paperless" geocaching, and expanded mapping capabilities make the eTrex more versatile and easier to use,...

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

The GPSMAP 64sc portable navigator has a 3-axis tilt-compensated compass, a barometric altimeter, and an 8-megapixel auto-focus camera that automatically adds georeferences and coordinates to your photos. The GPSMAP 64sc also features a...

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

The new GPSMAP® 64s has a 2.6 "sunlight-readable display and a high-sensitivity GPS and GLONASS receiver with a Quadrifilar Helix antenna for superior reception capabilities. High-sensitivity GPS and GLONASS with a Quadrifilar Helix antenna for...

The small rite in the rain # 204 ring binders are durable. Made of polydura and rust resistant metals. This small size binder is designed to fit 4 "x 6 1/2" replacement sheets.

ANTENNA FOR THE GARMIN BRAND ¨AERA¨ GPS SERIES. New: A brand-new, unused, unopened, undamaged item in the original packaging (if packaged).

Keep your device within reach while on the go with this rotating belt clip. Your device fits securely in a holder that clips onto your belt.

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...

Mylar waterproof paper sheets for drawing and geological mapping.

The newly designed GPSMAP 62s handheld navigator features a tilt-compensated 3-axis compass, a barometric altimeter, and...

Pocket Stereoscopes PS2A

Get durable all-round protection for your handheld device with our carrying case. Black nylon protects your device while in storage or in the field. Features a wide zippered opening and a belt loop for accessibility and portability.

With the GPSMAP 66s and GPSMAP 66st devices, enjoying geocaching experiences is easier than ever. Set the device to update itself with information about the latest Geocaching Live caches, with descriptions, logs, and suggestions for the...

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.

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.

Protractor W-44 Ruler Metric Scale 1: 250

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

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...

Copy or laser print your own all-weather forms, tables, maps, and worksheets onto patented Rite in the Rain 8 1-2 x 11 weather copier paper. Now you can have the convenience of using your existing data sheets on paper that can survive in any...

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.

• Protactor ruler w-8 metric scale 1: 1

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...

Rite In The Rain Transit Polydura Bound Notebook # 300. Rite in the Rain® field books allow you to work efficiently in any weather and still protect your valuable data.

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...

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.

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 ''