Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014
Current assets:
Cash and cash equivalents	$ 895	$ 1,013
Cash held in escrow	26	61
Accounts receivable, net of allowance for doubtful accounts of $148 and $155, respectively	8,082	8,246
Inventory of parts and supplies	888	895
Prepaid tires on equipment	2,063	2,048
Prepaid taxes and licenses	1,677	2,436
Prepaid insurance	632	789
Prepaid expenses, other	81	83
Real estate held for sale, at cost	4,609	4,473
Total current assets	18,953	20,044
Property, plant and equipment, at cost	375,432	372,504
Less accumulated depreciation and depletion	125,715	122,894
Net property, plant and equipment	249,717	249,610
Real estate held for investment, at cost	7,304	7,304
Investment in joint ventures	18,640	18,537
Goodwill	3,431	3,431
Unrealized rents	4,773	4,780
Other assets, net	9,592	9,365
Total assets	312,410	313,071
Current liabilities:
Accounts payable	5,775	7,318
Federal and state income taxes payable	309	701
Deferred income taxes	239	239
Accrued payroll and benefits	3,950	4,568
Accrued insurance	1,100	1,186
Environmental remediation	1,614	1,771
Accrued liabilities, other	1,251	1,610
Long-term debt due within one year	4,537	4,534
Total current liabilities	18,775	21,927
Long-term debt, less current portion	56,452	58,704
Deferred income taxes	23,072	21,654
Accrued insurance	1,393	1,393
Other liabilities	3,093	3,078
Commitments and contingencies (Note 7)
Shareholders' equity:
Preferred stock, no par value; 5,000,000 shares authorized
Common stock, $.10 par value; 25,000,000 shares authorized, 9,718,570 and 9,703,270 shares issued	972	970
Capital in excess of par value	48,407	47,892
Retained earnings	160,206	157,413
Accumulated other comprehensive income, net	40	40
Total shareholders' equity	209,625	206,315
Total liabilities and shareholders' equity	$ 312,410	$ 313,071