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Free eBook From pits to playgrounds: Aggregate extraction and pit rehabilitation in Toronto : an historical review download

by S. E Yundt

Free eBook From pits to playgrounds: Aggregate extraction and pit rehabilitation in Toronto : an historical review download ISBN: 077433892X
Author: S. E Yundt
Publisher: Ontario Ministry of Natural Resources, Mineral Resources Branch (1979)
Language: English
Pages: 51
Category: Unsorted
Size MP3: 1967 mb
Size FLAC: 1936 mb
Rating: 4.9
Format: lrf docx lrf azw


From pits to playgrounds by S. E. Yundt, Ministry of Natural Resources . Together, let's build an Open Library for the World.

Together, let's build an Open Library for the World. Published by Ministry of Natural Resources in Toronto.

In Ontario much of this focuses on the issues of progressive ning land speedily and .

In Ontario much of this focuses on the issues of progressive ning land speedily and effectively to some alternative, societally acceptable and productive land use. The public continues to be upset at the unwarranted removal of good farmland from agriculture- the lengthy period of its remaining in an unproductive and unsightly condition and the uncertainty of its being returned to a fertile condition.

In the late 1960's unrest between the aggregate industry and residents of high production municipalities threatened the availability of aggregate resources. Efforts are also continuing in resource inventory and in public education, in an effort to promote acceptance of the aggregate industry.

2 Figure 3 Distributions of Pits and Quarries and Hotspots for Rare Species, Rare Habitats and Species at Risk in. .

2 Figure 3 Distributions of Pits and Quarries and Hotspots for Rare Species, Rare Habitats and Species at Risk in Ontario Figure 4 Milton Quarry Rehabilitation-1992 and 2001 photos Figure 5 Fletcher s Creek former quarry exhibiting alvar characteristics Figure 6 Young Dwarf Lake Iris seeded to Ontario quarry Figure 7 Dwarf Lake Iris in bloom Figure 8 Cliff and Talus (background) . This report offers a series of best restoration and management practices for rehabilitating former aggregate sites to achieve the goal of maximizing the biodiversity value (including species at risk) while minimizing maintenance costs.

Nevertheless, aggregate extraction and processing cause environmental impacts including changes to the landscape, noise, dust, vibrations . In dry climates, evaporation of water from pits or quarries may lower the water table

Nevertheless, aggregate extraction and processing cause environmental impacts including changes to the landscape, noise, dust, vibrations from blasting, and degradation of groundwater and surface water. Potential environmental impacts and methods for mitigation are briefly discussed in the following. More detailed discussions can be found in the sources of further information listed in Section . 2. 1 Changes to the landscape. In dry climates, evaporation of water from pits or quarries may lower the water table. In humid climates, precipitation may flow into a quarry and recharge groundwater.

Aggregate site rehabilitation plays and essential role in preparing the land for its sequential land-use and is the primary mechanism for the mitigation of adverse environmental and social impacts caused by the extraction process. This was completed using an assessment of production statistics and a sample of rehabilitation plans.

Aggregate Extraction in Haliburton County: A preliminary investigation into the rehabilitation of regional pits and quarries. oceedings{I, title {Aggregate Extraction in Haliburton County: A preliminary investigation into the rehabilitation of regional pits and quarries}, author {Adam Dillon}, year {2006} }. Adam Dillon. View PDF. Save to Library. Figures and Tables from this paper.

Aggregate or aggregates may refer to: Aggregate (data warehouse), a part of the dimensional model that is used to speed up query time by summarizing tables. Aggregate analysis, a technique used in amortized analysis in computer science, especially in analysis of algorithms. Aggregate class, a type of class supported by C++. Aggregate data, in statistics, data combined from several measurements.

In turn, this explains much of the, often high, variability in maximum depths of pits observed at any point in time.

From these observations, and from sometimes forgotten or ignored observations in the literature, it is proposed that pitting (and crevice corrosion) plays an important role in the overall corrosion process, but that longer term pitting behaviour is considerably more complex than usually considered. In turn, this explains much of the, often high, variability in maximum.

This aerial photo shows aggregate pits in Puslinch, said North Dumfries Mayor Sue Foxton. Regional council must now decide if a report will be sent to the province outlining concerns about changes to mining and other aggregate extraction that could endanger local water and wildlife areas. Submitted by Sue Foxton).