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To: LoneClone who wrote (5658)	8/23/2007 10:30:40 AM
From: LoneClone	Read Replies (1) \| Respond to of 194042

Tyhee announces additional diamond drillhole results from Nicholas Lake Main Zone, up to 33.7 metres at 10.285 gpt gold Thu Aug 23, 9:31 AM ca.news.finance.yahoo.com TSX Venture: TDC VANCOUVER, Aug. 23 /CNW/ - Tyhee Development Corp. (TSX Venture, TDC) today announced additional gold and tungsten (WO3) results from the Nicholas Lake Main Zone, part of its wholly-owned Yellowknife Gold Project. All of the diamond drillholes previously completed on the Nicholas Lake Main Zone have been resampled to assess the potential for a bulk-mineable resource at this location. Previously, only portions of these holes had been assayed. The final results from this program will be released upon receipt. Significant intersections including 8.1 metres of 7.801 grams per tonne (gpt) gold and 33.7 metres of 10.285 gpt gold in N019 and 20.5 metres of 3.641 gpt gold in N043 have been obtained. Tungsten mineralization occurs proximal to or within the gold-bearing zones, and significant intervals include 9.7 metres of 0.084 % tungsten (WO3) in N043 and 2.2 metres of 0.240 % WO3 in N047. Table 1. Recent results from the resampling of Nicholas Lake Main Zone. From To Width Gold Hole (metres) (metres) (metres) Grade (gpt) N019 27.4 35.5 8.1 7.801 and 83.2 116.9 33.7 10.285 and 148.0 166.9 18.9 2.406 N037 12.0 17.5 5.5 1.882 and 48.0 69.0 21.0 3.964 N043 58.0 72.0 14.0 2.889 and 149.0 206.0 57.0 2.004 incl 172.0 192.5 20.5 3.641 N045 50.5 54.0 3.5 22.026 N047 201.0 206.0 5.0 1.396 and 233.0 236.5 3.5 2.122 and 262.5 268.0 5.5 1.368 and 306.0 310.3 4.3 3.389 N049 223.5 235.0 11.5 2.323 and 252.0 258.0 6.0 1.819 N054 299.5 303.0 3.5 7.717 and 332.5 342.0 9.5 0.882 and 373.0 377.0 4.0 1.625 N056 381.0 385.5 4.5 2.809 and 437.5 445.5 8.0 4.896 N101 236.5 253.0 16.5 1.847 N041 and N052 did not intersect significant mineralization. N103 and N104 were drilled east of the favourable granodiorite and did not intersect significant mineralization. Table 2. Selected tungsten analyses (reported as WO3) from Nicholas Lake Main Zone. From To Width Hole (metres) (metres) (metres) %WO(3) N019* 106.6 107.7 1.1 0.134 N041 43.5 48.0 4.5 0.081 N043 188.5 198.2 9.7 0.084 N047 86.5 91.0 4.5 0.113 and 262.5 264.7 2.2 0.240 N049 73.6 76.5 3.0 0.182 and 254.0 258.0 4.0 0.105 N052 91.5 93.0 1.5 0.148 N054 337.5 338.5 1.0 0.321 * True width is approximately 75 to 85% of the measured width for all holes except N019 which is drilled to the north. True width for N019 is approximately 50% of the measured width. These drillholes are shown on the attached figure. Dave Webb President and CEO reports "These results continue to be in line with expectations, however ultimately the significance of the broader gold intercepts and tungsten values cannot be properly assessed until all of the data is received. Analytical results from Tyhee's four projects (Yellowknife Gold Project, Goodwin Lake, Clan Lake, and BigSky) are pending, and will be released as they are received and compiled." One diamond drill remains active on the Ormsby and Bruce Lake Zones with a second diamond drill temporarily shutdown pending conversion to a lighter helicopter-flyable configuration. Surface exploration crews are now focused on mapping and sampling the BigSky Property where large mineralized shear zones have been identified on strike and adjacent to the Giant Yellowknife Mine properties. See attached map at: files.newswire.ca About Tyhee Development Corp. Tyhee Development Corp. is a gold exploration and development company currently focused on the historic Yellowknife Gold Camp, NWT, Canada. It is the largest property holder in the historic camp, and has the largest exploration and development program underway in the region. Its principal asset is the advanced-stage Yellowknife Gold Project, which consists of 6,625 hectares (15,481 acres) of mining leases located 90 km (56 miles) north of Yellowknife, NWT, Canada. Additional gold properties have been acquired within the Yellowknife Gold Belt and exploration of these targets has commenced. Tyhee completed fire assays on drill core samples using 30 gram aliquots with ICP-ES finish for gold analyses, prepared at Acme Analytical Laboratories Ltd. in Yellowknife, and finished at Acme Analytical Laboratories Ltd in Vancouver. A semi-quantitative multi-element analysis is run on 0.5 gm aliquot samples leached in a hot aqua regia solution and measured using ICP-ES techniques. All elevated tungsten values are then reanalysed on 0.5 gm aliquots digested using phosphoric acid and measured using ICP ES techniques. Tyhee conducts a rigorous QA/QC program of inserting blanks and duplicates in the field and standards in the laboratory. The laboratory also conducted their own independent QA/QC program including inserting their own standards and rerunning samples from pulped material and reject material. These results were provided to Tyhee. All standards, duplicates, blanks and check assays returned acceptable results. Dr. D.R. Webb, PhD, P.Geol., the designated QP within the meaning of NI 43-101, has reviewed this release and approves of its content. NO REGULATORY AUTHORITY HAS APPROVED OR DISAPPROVED THE CONTENT OF THIS RELEASE. THE TSX VENTURE EXCHANGE DOES NOT ACCEPT RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE. Tyhee's shares trade on the TSX Venture Exchange under the symbol "TDC". For additional information, please visit the Company's website, www.tyhee.com Contacts Tyhee Development Corp. David Webb President and CEO Tel: (604) 681-2877 (toll free 1-866-681-2877) info@tyhee.com The Equicom Group Inc. Michael Joyner Tel: (416) 815-0700 ext 275 mjoyner@equicomgroup.com