Sentences with phrase «gravel beds of»

Not exact matches

The construction of water mills caused the destruction of the gravel beds in streams, making them unsuitable for salmon to spawn.

The gravel beds that the salmon need to lay eggs have disappeared under a thick layer of sand and silt.»

They created a uniform layer of gravel on the bed of the flume and then began running water down it in increasing quantities, measuring how much water was required to initiate sediment motion.

The beds of these watercourses are filled with gravel and cobblestones.

Railway systems are designed for a 50 - year lifespan, which is calculated on the integrity of the materials used, and most railways are built along one of two common track systems: rails set on railway ties (U.S.A.) or sleepers (UK), which are then «ballasted» into beds of rock or gravel; or rails that are set onto concrete slabs.

«They're changing the character of the stream bed, so when there are floods, the soil and gravel is more mobile.»

Fragments of fossilized jaw, skull, and tooth, unearthed shortly before World War I from gravel beds, 45 miles south of London, were not, as had been believed, the remains of an aberrant part - human, part - ape «missing link».

The dual - fuel Silverado may never carry a scoop of pea gravel, but could be just the thing for the road warrior who can live without the most fundamental aspect of a pickup's utility: the full cargo bed.

We land in a stark, narrow offshoot of Cuchillo Creek, where the dried - up bed is a craggy mess of sharp stones and bulging landmasses laced in loose gravel.

Can you imagine standing by and watching a front - end loader dump a ton of loose gravel in the bed of your new $ 66,000 truck?

So our TRD Pro convoy would've fit right in, but almost our entire drive day occurred off road and out of sight in Hana, where I found myself blitzing sideways around a hillside dirt «racetrack» doing my best Dukes of Maui impression; picking my way carefully through a rocky stream bed and walking down a treacherous 41 - degree pumice - stone grade (picture ascending a hill of black gravel that's too steep to walk up, and you've got it), among other hazards.

While I haven't had the occasion to tow a trailer or haul a half - ton of gravel in the new F - 150's bed, I have driven it several hundred miles and its lightness is evident in its startling acceleration and easy and comfortable cruising.

A 2015 Toyota Tacoma has a max payload of 1,500 lbs (383 lbs less than the ProMaster city), about the same starting price in a double cab short bed setup ($ 23,075 vs. $ 24,130) and unless you have constantly hauling sand and gravel, the same cargo capacity if not more in the van (we carried six 1x6x8 long boards with no problems).

Commercial concentrations of gold are found in widely distributed areas: in association with ores of copper and lead, in quartz veins, in the gravel of stream beds, and with pyrites (iron sulfide).

This is a raised area much like a flower bed that, instead of being filled with flowers, is topped with pea - gravel or artificial turf and acts as a physical spot for your dog to eliminate in.

Snails that crawl on hard surfaces are always potential escapees, while substrate dwellers rarely leave the sanctuary of their gravel beds.

• Removal of gravel from about 1,200 linear feet of existing creek that will be used to line the bed of the new channel.

Iceland has its own extreme formula driving course where the motor sport competition demonstrate their no fear philosophy by doing flying leaps over rocky gullies, spinning with break neck abandon over lava beds, race through mud and water, and do dare devil antics on narrow tracks that cut vertically straight through the walls of dirt and gravel ridges.

Jet Boating in Pristine Wilkin's Valley The jet boat, that rides on a cushion of air at about 60 MPH, was invented by a New Zealand farmer who wanted to get his sheep to market via rivers plagued with shifting gravel beds, snags and other obstacles.

So rather than use the more time - intensive compacted gravel bed strategy under the EPS geofoam, the Pumpkin Ridge team opted for a bed of «flowable fill» (aka «controlled - density fill» or «liquid soil».)

Alternative to Sewer (off grid) Gravel packed bed filters system consisting of two filter barrels charcoal and sand & PVC pipe.

How abiotic processes, biotic processes, and their interactions sustain habitat characteristics and functions in river channels and floodplains: An investigation of the response of a gravel - bed reach of the Merced River to restoration (CalFed: $ 1,400,000).

Better to dig last part with a spade and use Jons idea of bedding in gravel.

A low boxwood hedge provides the structural framework of the potager, with a pea gravel path offering access to the different beds.

A pair of trimmed standards marks a doorway to the slate - roofed stone building, while a bed of cottage garden planting lines the gravel path with domes of clipped box and allium pom poms highlighting the way.

I have a run of what we call Scottish pebbles (about x10 the size of pea gravel) in what was a bedding area right by the house wall.

I also use pea gravel as mulch in my flower beds and a walkway of pea gravel leading to a brick and flagstone walkway.