Category Archives: SOIL

Dirt Maps Unbound

The US Geological Survey introduces the most detailed profile of US mineral and chemical soil makeup ever made.

Courtesy USGS.
Courtesy USGS.

Occasionally something really eye-opening falls into your lap on a quiet afternoon that gets all your circuits humming. That was the case late Wednesday at LAM when the U.S. Geological Survey released an array of soil maps based on data it has been collecting since 2007. Continue reading Dirt Maps Unbound

Dredge in Many Flavors

An award-winning student project shows off dredged materials’ potential to restore habitats and reconnect the city.

Edison Park Site Proposal: A raised circulation system embraces a contained dredge production facility. Images courtesy of Matthew D. Moffitt.
Edison Park Site Proposal: A raised circulation system embraces a contained dredge production facility. Images courtesy of Matthew D. Moffitt.

The Penn State undergraduate Matthew Moffitt won the 2013 ASLA Student Award of Excellence in General Design by showing that not all dredge is created equal. Continue reading Dredge in Many Flavors

The Green Carpet

LAM-Aug2013-Grounds-Mall
Photo courtesy National Park Service

The first section of The Mall’s new lawn is looking good, and so far, shrugging off heavy use.

By Linda McIntyre

In December 2006, as the National Park Service was starting up the process of developing its National Mall Plan, Susan Spain, ASLA, and Alice McLarty, who are landscape architects with the park service, took me on a tour. As we walked along the rock-hard compacted soil underneath the iconic, yet worn and weedy, lawn panels of the Mall (the tree-lined central axis of the wider National Mall in Washington, D.C.), Spain and McLarty told me how the park service hoped to overhaul the site’s decrepit infrastructure, including, incredibly, the turf (see “Pall Over the Mall,” LAM, April 2007). Continue reading The Green Carpet