What is the difference between crushed stone and Natural Pea Gravel?

Crushed stone is angular, with broken faces that lock together when compacted. Natural Pea Gravel is small rounded stone that stays loose and shifts underfoot.

Should I order material by the ton or by the yard?

Both work. Order by the ton when you know the weight your truck or trailer can carry, and by the yard when you are thinking in volume for a bed, a trench or a pad. Bulk delivery is priced by the load either way.

Which stone is best for drainage in Alpine County?

Clean, washed stone with no fines is the right choice. Drain rock, 3/4 inch drain rock, also called #57 stone, and 3/4 inch crushed stone all move water well. Use them for French drains, drywells, downspout runs and drainage layers.

Alpine County Class 2 Base and Gravel Delivery, CA

California Rock Supply handles gravel, stone and aggregate delivery in Alpine County, CA. The base material most jobs here start with is Class 2 base, also called Class II base or Class 2 aggregate base. It goes under drives, parking pads, and the compacted layer beneath pavers, slabs and Stone Screenings paths.

Alpine County ground is mostly thin and rocky over granite, volcanic or metamorphic rock, and it runs coarse and sandy where granite has weathered. That makes a compacted base layer the difference between a drive that holds up and one that ruts.

Materials Delivered in Alpine County

Material choice starts with size. Coarse stone drains and carries load, fines bind and pack, and the middle sizes surface a drive or fill a joint.

Class 2 base is the higher-strength grade. Caltrans Standard Specifications Section 26 covers California aggregate base as Class 2 or Class 3, in a 3/4 inch or 1-1/2 inch maximum grading. Class 3 is the lower-strength grade. The spec allows processed reclaimed asphalt and concrete, which is why recycled Class 2 base and crushed miscellaneous base, often shortened to CMB, are sold for the same drive and pad subgrade work.

Where a compacting, binding material is wanted, crusher run fills the same role. Most California buyers still ask for Class 2 base for that job. For a finer walkable surface, step down to walkway gravel or Stone Screenings, also called DG. Crusher Run and Class 2 Base both work as a base, and DG is the usual top layer for paths.

On the fine end, mason sand and washed sand bed pavers, level slabs and fill joints. Natural Pea Gravel, river rock and cobble handle decorative beds, dry creek beds and borders where runoff needs slowing.

Ground Conditions Across Alpine County

The working window runs late spring to fall. Snow and frozen or saturated ground stop most base and excavation work in winter at the higher towns, and the spring thaw can leave unpaved ground soft.

Winter storms bring rain and snow, and melting snow keeps the ground wet into spring. Water runs fast off rock and thin soil on slopes and collects where drives and pads cut across it. A drainage layer of drain rock or 3/4 inch drain rock under and beside the work keeps that water from sitting in your base.

Snowmelt and storm runoff on steep slopes and unpaved roads drive erosion here, and intense rain on recently burned slopes can send debris flows. Riprap armors slope, creek bank and culvert outlets against that runoff. Caltrans calls placed rock on slopes rock slope protection.

Freeze-thaw is a real design factor. Freezing nights are routine through winter, and snow is heavy and lasting at the highest towns and lighter, occasional or short-lived at lower ones. Frost depth is set by the local building department, 18 to 24 inches in mountain towns such as Big Bear Lake, Truckee and Mammoth Lakes.

Delivery Across Alpine County

California Rock Supply delivers bulk material across Alpine County, including Markleeville and the surrounding mountain communities. You order online, size the load by the ton or by the yard, and pick a delivery date at checkout.

A dump truck delivers to the site. If you are unsure how much material a job needs, the calculator sizes the load from your measurements. That is the fastest way to avoid a short load or a pile left over.

Access matters more in the mountains than in the valley. Steep driveways, soft spring ground and tight turnarounds all affect where a truck can place a pile. Note the site conditions at checkout so the load lands where you can move it.

Choosing the Right Material

Ground across the Sierra Nevada and the mountain counties to the north and south is similar: thin, rocky soil over bedrock, with faster drainage on slopes and softer ground on valley and basin floors. What changes from county to county is the mix of projects, not the basic base and drainage logic.

Tuolumne County and Calaveras County both span the Sierra Nevada foothills and the hills around the northern Sacramento Valley along with the mountain zone, so the ground is close to Alpine County's in the higher parts. The lower foothill ground is different, and base work there deals with more clay and less freeze-thaw than you get at elevation. The material set stays the same: Class 2 base for drives and pads, drain rock for wet spots.

Amador County runs to rocky hillside soils, often shallow over bedrock, with clay in many areas and fast-draining Stone Screenings in others. Shallow soil over rock means less excavation before base goes down, and the Stone Screenings areas drain quickly on their own.

Order Gravel and Rock for Alpine County

California Rock Supply delivers Class 2 base, drain rock, Stone Screenings, sand, topsoil and decorative stone across Alpine County, including Markleeville. Order online, size the load by the ton or yard with the calculator, and choose a delivery date at checkout. Place your order when your site is ready and the ground is workable.

Alpine County, CA Gravel and Landscape Rock Delivery