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Crawford conservation area unique in Ontario SUMMER FUN Wednesday Jan HI 1I7S Page S res dents are silling the edge one or the provinces unique gems Crawford Lake in the Crawford Lake Conservation Area near Milton provides a very accurate record of the type of civilization and plant life surround its shores in the past veare The Region Conser vat ion Authority acquired the land in 1969 as part of its Niagara Escarpment Ac Program The lake located on the east side of the Line miles south of ghway is one of the region environmentally sensitive areas and required a plan of development to protect it and ensure its best usage The lake itself formed a bout 15 years ago so the theories say Water from melting glaciers flowed through the escarpment in thevicinityoflhelakc exeat mg underground cavities in the soluable dolomite which underlies the whole area When these cavities reached considerable size the surface material collapsed to form a sink or karst hole The high water table and rema springs filled the hole and created the lake What makes it so special Is the lake thermal and properties It is which means that there Is only a partial turn over of water luring fall This is caused by the lake small surface area 7 acres and extreme depth feel The lack of annual turn over means that there Is little oxygen below Ihe first feet and thus the bacterial break down Is lessened The an nuatly laminated sediments at the lake bottom remain undisturbed and can there fore give a very accurate record of what was happen ing around the lake during the past 15 years Ind an corn pollen was dis covered In a sample taken from the lake in 1971 by the Royal Ontario Museum and this indicated that an Indian village must have been lo cated close by A village site was discovered on properly which the Halton Region Conservation Authority pur chased recently just north of the lake While many Indian villages are known to exist in southern Ontario the fact that this one can be dated so accurately by means of the com pollen makes the site especially valuable The village was populated by the Middleport tribe a tribe that practised a shifting type of agriculture They moved every 10 to years as the productivity of the soil or the availability of firewood diminished We learned a bout the Indian dally lire from the village whether he had a balanced diet or poor nutrition for example and what kind and quantity of corn was needed to supple ment his search for food Most important of ail is the hope that we can learn what effect the Indian had on the area ecology Then they cm be related to our own Ives scoveryof the Ind an site and the wealth of other materia which has been tak en from the lake makes it a que geological formation and Important for scientific study For this reason the Authority has banned sever recreational uses of the lake such as fish scuba diving and swimming Crawford Lake is open to the public however for ing nature study and quiet relaxing HORSEY ate Our in ike flu FRE E to the fir it 35 customers a day a bag of Peat Moss quart value PRICES IN EFFECT FROM JUNE TO JULY INCLUSIVE Our Anniversary sale saves you a on OFF tropical plants clay pots ceramic pots plastic pots all and feather flowers pesticides fungicidal herbicides garden tools all other In store merchandise ANNUALS begonias asters carnations dlanthus nemesla marigolds snaps PERENNIALS mums rock Harden plants primula daisies many more parsley and hanging baskets potting soils sterilized VEGETABLES lettuce tomatoes chives onions egg plant cabbage parsley poppers MATURE APPLE PEAR OR PLUM TREES tailed and bur lapped 1 varieties not known SPECIAL EVERGREENS White Pine bib lis Larch up Colorado Blue Spruce Silver Fir bb 3 up Austrian Pine bib 3 and up Cedar Hedging and up 40 OFF up to 15 up to up to J SOLAR SCREEN BLOCKS lotus or star pattern 4 grey SI 3D 4 brown Sir OFF PATIO STONES SALE 150 GARDEN SUPPLIES Bark Chips Cocoa Pods 15 Marble Chips IS Peat Moss various sizes TREES OFF We have a wise selection of trees various Clump Birch bb Sat 15 Weeping Birch potted 10 12 Crimson King Maple bb HOT J li cal polled a high Norway Maple bb 1j cal potted if 5 Harlequin Maple potted 15 Sliver Maple bb l JIM Globe Maple pottedn IT IS Linden potted 1 1 cal Mountain Ash patted toll I a Green Ash bb 1 i Locust bb cal 4113 pb Crab apples 5 varieties potted WHITE WOOD PICKETT FENCING 3 lengths regular SPECIAL 50 each REPLACEMENT WARRANTY ON TREES SHRUBS EVERGREENS We sell only stock that Is In a healthy condition per cent warranty Is In effect til September We will replace It once charge to the value paid upon presentation of the bill of sate and the dead plant It Is Important that cash For warranty purposes this warranty does not apply to annual perennials or house plants PLEASE NOTE There will be a delivery charge which you wish delivered ALL SHRUBS OFF merchandise purchased Buy 310 worth merchandise get oft with this coupon Buy ISO War over worth of merchandise art is off with this coupon Fill In below and bring coupon In when you visit Name Postal coda Good from June Only coupon allowed per family Uu LANDS Nurseries we haven got tat OPEN 7 DAYS A WEEK Derry Rd fry 8261501 Mississauga Rd